MICE · YOUR NEXT FACE-OFF

ASUS ROG Harpe II Ace vs Razer Viper V3 Pro

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

ASUS ROG Harpe II Ace

Black · P723 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The ROG Harpe II Ace is ASUS's 48 g right-handed symmetrical wireless mouse with the 42,000 DPI ROG AimPoint Pro sensor, ROG Optical Micro Switches and SpeedNova 8K wireless, which reaches 8000 Hz without a separate polling-rate booster.

Specifications checked 27 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHAT DIFFERS

5 profilesOnboard profile capacity1 profile

Customisation softwareGear Link (web browser)Razer Synapse

LightingScroll wheel (Aura Sync)None

3 of 15 verified differences, in the order listed below. Not a rating.

See the 15 verified differences

THE CONTENDER

Razer Viper V3 Pro

Black · RZ01-05120100-R3G1 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The Viper V3 Pro is Razer's 54 g wireless esports mouse with a right-handed symmetrical shape, a Focus Pro 35K Gen-2 optical sensor and an 8000 Hz HyperPolling dongle included in the box.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

ASUS ROG Harpe II Ace UK & US retailers

UK & US price history: no verified listing yet

Razer Viper V3 Pro UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE8 topics

SELECTED TOPIC

01 / 08

Connections

Check the exact configuration and source conditions for your use.

ASUS ROG Harpe II Ace2.4 GHz RF wireless (receiver), Bluetooth 5.1 or wired USB 2.0 (USB-C to USB-A ROG Paracord)

Manufacturer specification · ASUS lists tri-mode connectivity. ASUS's FAQ says device settings are available only in 2.4 GHz wireless or wired mode. ASUS's quick start guide describes pairing Bluetooth mode to additional host devices (max. 3).

Source 1 Source 2 Source 3 Source 4 Source 5

Razer Viper V3 ProRazer HyperSpeed wireless (HyperPolling Wireless Dongle); wired USB-C

Manufacturer specification · Razer lists HyperSpeed wireless and wired modes; no Bluetooth is listed.

Source 1 Source 2

Explore the full specifications

Choose the grip, then check the connection. Left-side thumb controls are not a mirrored left-handed layout. Check the receiver or USB connection, battery requirements and your preferred shape. DPI is tracking resolution, not an accuracy score; no gaming winner is inferred.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

15 verified differences, most decision-relevant first. 6 are also drawn in Visual facts above. Missing information stays separate.

Connections

In Visual facts

ASUS ROG Harpe II Ace2.4 GHz RF wireless (receiver), Bluetooth 5.1 or wired USB 2.0 (USB-C to USB-A ROG Paracord)

Razer Viper V3 ProRazer HyperSpeed wireless (HyperPolling Wireless Dongle); wired USB-C

Sources

ASUS ROG Harpe II Ace

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

Manufacturer specification · Razer lists HyperSpeed wireless and wired modes; no Bluetooth is listed.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs

Check the exact configuration and source conditions for your use.

Sensor model / type

In Visual facts

ASUS ROG Harpe II AceROG AimPoint Pro optical sensor

Razer Viper V3 ProRazer Focus Pro 35K optical (Gen-2)

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's sensor name, with track-on-glass technology. The supplier is not stated.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

Manufacturer specification · Razer's sensor name. Razer lists a resolution accuracy of 99.8%.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Main switch technology

In Visual facts

ASUS ROG Harpe II AceROG Optical Micro Switches

Razer Viper V3 ProRazer Optical Mouse Switches Gen-3

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Not hot-swappable, per ASUS's FAQ.

Razer Viper V3 Pro

Manufacturer specification · Manufacturer advertises90-million-click lifecycle,0.2ms switch actuation and no debounce delay. The0.2ms claim has no stated measurement/test protocol on these pages and is not an independently measured end-to-end click/input latency or a comparable contender latency result.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ

Switch actuation and button tensioning describe different parts of a click mechanism. Read the documented technology; its name alone does not establish latency, durability or feel.

On-mouse adjustments

In Visual facts

ASUS ROG Harpe II AceLift-off distance (Low / High); polling rate; DPI (four presets); hardware reset

Razer Viper V3 ProAsymmetric cut-off (lift-off and landing distance individually set from up to 26 levels); Smart Tracking; Motion Sync; Dynamic Sensitivity; Rotation Tool; Sensitivity Matcher; single DPI step adjustments

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Key combinations on the mouse, per ASUS's quick start guide: lift-off distance with the Pairing and Forward buttons (Low by default), polling rate with the Pairing and Backward buttons, and a hardware reset; ASUS's FAQ says the DPI button switches between four DPI settings. DPI On-The-Scroll is unconfirmed: the guide's specification footnote says "You may customize the DPI settings for DPI 1-4 through Armoury Crate or the DPI On-The-Scroll tuning function.", but the guide gives no DPI On-The-Scroll procedure for this model and ASUS's FAQ says Harpe II Ace device settings are only available via Gear Link.

[Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

Manufacturer specification · Razer's listed sensor features. Razer does not state on these pages which software configures them.

Razer Viper V3 Pro — Razer UK product overview and FAQ

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Onboard profile capacity

In Visual facts

ASUS ROG Harpe II Ace5 profiles

Razer Viper V3 Pro1 profile

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Cycled with the DPI button and scroll wheel pressed together, per ASUS's FAQ.

[Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

Manufacturer specification · One onboard profile, per Razer's specification table and FAQ.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ

Stored profiles, sensitivity settings and software assignments are different capabilities. An unspecified profile count is not zero; check the software and firmware conditions.

Customisation software

In Visual facts

ASUS ROG Harpe II AceGear Link (web browser)

Razer Viper V3 ProRazer Synapse

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's FAQ says device settings are available only via Gear Link, in 2.4 GHz wireless or wired mode; Armoury Crate is used only for cross-product features such as Aura Sync.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support

Razer Viper V3 Pro

Manufacturer specification · Button, DPI and profile settings are configured in Razer Synapse.

Razer Viper V3 Pro — Razer UK product overview and FAQ

Stored profiles, sensitivity settings and software assignments are different capabilities. An unspecified profile count is not zero; check the software and firmware conditions.

Show 9 more verified differences

Battery life

ASUS ROG Harpe II AceLithium-ion; up to 101 hours with lighting off or 84 hours with default lighting (2.4 GHz at 1000 Hz, and Bluetooth)

Razer Viper V3 ProUp to 95 hours at 1000 Hz; up to 62 hours at 2000 Hz; up to 40 hours at 4000 Hz; up to 17 hours at 8000 Hz

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's rating; ASUS notes increased power consumption in Zone mode.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support

Razer Viper V3 Pro

Manufacturer specification · Razer's rated wireless battery life by report rate; test conditions beyond report rate are not stated. Rechargeable over USB-C.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Lighting

ASUS ROG Harpe II AceScroll wheel (Aura Sync)

Razer Viper V3 ProNone

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's FAQ says Aura Sync cross-product features remain available in Armoury Crate.

ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support

Razer Viper V3 Pro

Manufacturer specification · Razer lists no RGB lighting.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

On-the-fly DPI settings

ASUS ROG Harpe II Ace4 settings

Razer Viper V3 Pro5 settings

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · The DPI button switches between four settings: 400 / 800 / 1600 (default) / 3200 DPI.

[Mouse] ROG Harpe II Ace FAQs — ASUS USA official support

Razer Viper V3 Pro

Manufacturer specification · Five factory DPI stages (400, 800, 1600 default, 3200, 6400) cycled by the underside button.

Razer Viper V3 Pro — Razer UK product overview and FAQ

Stored profiles, sensitivity settings and software assignments are different capabilities. An unspecified profile count is not zero; check the software and firmware conditions.

Glide feet

ASUS ROG Harpe II Ace100% PTFE (2 semi-circle feet, 1 around the sensor) with rounded 2.5D edges

Razer Viper V3 Pro100% PTFE

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's overview describes large 100% PTFE mouse feet, and both spec pages list the bundled set as 100% PTFE (2 semi-circle, 1 for sensor). ASUS's P723 quick start guide instead refers to "the bundled glass mouse feet" and does not recommend using them with a glass mouse pad, so ASUS's sources disagree on the bundled set's material.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

Manufacturer specification

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Listed package

ASUS ROG Harpe II AceP723 ROG Harpe II Ace mouse; wireless receiver; wireless receiver extender; ROG Paracord; mouse grip tape (4 pieces, one-time stick); 100% PTFE mouse feet set (2 semi-circle, 1 for sensor); thank-you card with hotkey guide; warranty card; quick start guide; ROG logo sticker

Razer Viper V3 ProMouse; HyperPolling Wireless Dongle; USB Type-A to USB Type-C cable; Razer Mouse Grip Tape; Important Product Information Guide

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Manufacturer box contents, as listed on the spec pages. ASUS says grip tape and mouse feet are consumables not covered by warranty. ASUS's quick start guide refers to the bundled mouse feet as glass, while the spec pages list a 100% PTFE set, so the bundled feet material is disputed between ASUS sources. Check the seller's listing.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

Manufacturer specification · Manufacturer box contents; check the seller's listing.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Maximum tracking resolution

ASUS ROG Harpe II Ace42000 DPI

Razer Viper V3 Pro35000 DPI

Sources

ASUS ROG Harpe II Ace

Manufacturer specification

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

Manufacturer specification

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Claimed main-switch durability

ASUS ROG Harpe II Ace100 million clicks

Razer Viper V3 Pro90 million clicks

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's lifespan rating for the ROG Optical Micro Switches.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes

Razer Viper V3 Pro

Manufacturer specification · Razer's lifecycle rating for the optical switches.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Published acceleration threshold

ASUS ROG Harpe II Ace50 G

Razer Viper V3 Pro70 G

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's maximum acceleration rating; test surface not stated.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

Manufacturer specification · Razer's maximum acceleration rating; test surface not stated.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Dimensions

ASUS ROG Harpe II Ace126.1 × 63.9 × 39.7 mm (length × width × height)

Razer Viper V3 Pro127.1 × 63.9 × 39.9 mm (length × width × height)

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Mouse body as listed by ASUS.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

Manufacturer specification · Mouse body as listed by Razer.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs

A size or weight trade-off; it does not establish the better product.

Small physical differences (1)

Body length

In Visual facts

ASUS ROG Harpe II Ace126.1 mm

Razer Viper V3 Pro127.1 mm

Sources

ASUS ROG Harpe II Ace

Manufacturer specification

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs

Razer Viper V3 Pro

Manufacturer specification · Mouse body length.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (10)

Scroll controls

ASUS ROG Harpe II AceNot verified

Razer Viper V3 ProStandard scroll wheel; no tilt-click

Sources

ASUS ROG Harpe II Ace

No source recorded for this side.

Razer Viper V3 Pro

Manufacturer specification

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum wired report rate

ASUS ROG Harpe II Ace8000 Hz

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's listed USB report rate.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

ASUS ROG Harpe II Ace2 m

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Included ROG Paracord (USB Type-C to Type-A).

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

Razer does not list the cable length for this model. · Manufacturer specification · Razer names a USB Type-A to USB Type-C cable but gives no length.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Charging

ASUS ROG Harpe II AceNot verified

Razer Viper V3 ProUSB Type-C rechargeable

Sources

ASUS ROG Harpe II Ace

No source recorded for this side.

Razer Viper V3 Pro

Manufacturer specification · Charged with the included USB Type-A to USB Type-C cable.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Listed operating systems

ASUS ROG Harpe II AceWindows 10; Windows 11

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's listed OS support.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Shell material

ASUS ROG Harpe II AceBio-based nylon shell (castor oil based)

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS says the bio-based shell reduces weight by up to 11% compared with the Harpe Ace Aim Lab Edition and is 30% more durable than the previous generation; it has a matte anti-slip coating.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes

Razer Viper V3 Pro

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

ROG Omni Receiver multi-device pairing

ASUS ROG Harpe II AceConflicting evidence

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

ASUS's product overview and its support FAQ disagree on Omni Receiver multi-device support. · Manufacturer specification · The UK overview says tri-mode connectivity "plus an ROG Omni Receiver supporting multiple-device wireless connection with a single receiver"; ASUS's US FAQ says the Harpe II Ace does not support the Omni one-to-two pairing feature and cannot pair with other devices' dongles.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support

Razer Viper V3 Pro

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Zone mode

ASUS ROG Harpe II AceOn-mouse Zone mode: 8K Hz polling, RGB off, sensor always on

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · Toggled on the mouse by holding the DPI, Forward and Backward buttons, which ASUS's quick start guide documents in RF 2.4G wireless mode; ASUS notes increased power consumption while Zone mode is on.

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Minimum sensitivity

ASUS ROG Harpe II Ace100 DPI

Razer Viper V3 ProNot verified

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS's quick start guide gives the resolution as 100 DPI to 42000 DPI.

ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF

Razer Viper V3 Pro

Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 35,000 DPI maximum and single-step DPI adjustment.

Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

ASUS ROG Harpe II Ace48 g

Razer Viper V3 Pro54 g

Sources

ASUS ROG Harpe II Ace

Manufacturer specification · ASUS lists 48 g as the weight without cable and without dongle ("~48g" in the second table block).

ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs

Razer Viper V3 Pro

Manufacturer specification · Black version, excluding cable and dongle. Razer lists 55 g for the White Edition.

The manufacturer sources do not establish the same cable weighing basis. Both published masses remain visible with their conditions, but are not ranked.

6 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

ASUS ROG Harpe II Ace

What it brings

ASUS lists 8000 Hz both wireless and wired with no booster needed, five onboard memory profiles, and an on-mouse Zone mode that switches to 8K polling with lighting off.
Manufacturer source Manufacturer source Manufacturer source
At 48 g it uses a bio-based nylon shell that ASUS says cuts the mouse's weight by up to 11% compared with the Harpe Ace Aim Lab Edition, with 100-million-click optical switches and large PTFE feet.
Manufacturer source Manufacturer source

What to check

Settings are made only through the Gear Link web tool in 2.4 GHz or wired mode, the switches are not hot-swappable, and onboard memory does not store macros or Windows shortcuts.
Manufacturer source Manufacturer source
ASUS's overview claims ROG Omni Receiver multi-device support but its FAQ says the Harpe II Ace does not support Omni one-to-two pairing; ASUS's web pages also give no button count.
Manufacturer source Manufacturer source

Razer Viper V3 Pro

What it brings

The HyperPolling Wireless Dongle is included, so the 8000 Hz wireless report rate needs no extra purchase; Razer rates the battery at up to 95 hours at 1000 Hz.
Manufacturer source Manufacturer source
At 54 g with a 35,000 DPI sensor, asymmetric lift-off/landing settings and 90-million-click optical switches, the specification is aimed squarely at competitive play.
Manufacturer source Manufacturer source

What to check

Razer rates battery life at up to95hours at1000Hz and up to17hours at8000Hz. The exact connectivity inventory lists HyperSpeed wireless and wired operation; Bluetooth support is unverified.
Manufacturer source
Side buttons are on the left only, it stores just one onboard profile and has no RGB or tilt wheel. Razer does not publish the cable length or a minimum DPI.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

32 of 32 specifications Sources in each row

Source-backed specifications for ASUS ROG Harpe II Ace and Razer Viper V3 Pro
Specification	ASUS ROG Harpe II Ace	Razer Viper V3 Pro

WeightDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS lists 48 g as the weight without cable and without dongle ("~48g" in the second table block). ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification · Black version, excluding cable and dongle. Razer lists 55 g for the White Edition. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs	48 g	54 g
DimensionsDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · Mouse body as listed by ASUS. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification · Mouse body as listed by Razer. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs	126.1 × 63.9 × 39.7 mm (length × width × height)	127.1 × 63.9 × 39.9 mm (length × width × height)
Body lengthDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs Razer Viper V3 Pro Manufacturer specification · Mouse body length. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	126.1 mm	127.1 mm
Body width Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's listed width; ASUS does not state the measurement basis. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs Razer Viper V3 Pro Manufacturer specification · Razer's listed width; Razer does not state the measurement basis. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	63.9 mm	63.9 mm
Hand orientation Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's specification table lists the shape as right-handed symmetrical and the overview describes a right-handed symmetrical shape (its introduction also says semi-symmetrical), recommended for claw and fingertip grips; the official views show the forward and backward buttons on the left side only. Not a grip or comfort test. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification · Razer's specification table and FAQ call the shape right-handed symmetrical, suited to claw/fingertip grips; its store filter files it under Ambidextrous. Side buttons are on the left only, per the official product views. Not a grip or comfort test. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ	Right-handed symmetrical shape; side buttons on the left	Right-handed symmetrical shape; side buttons on the left
Glide feetDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's overview describes large 100% PTFE mouse feet, and both spec pages list the bundled set as 100% PTFE (2 semi-circle, 1 for sensor). ASUS's P723 quick start guide instead refers to "the bundled glass mouse feet" and does not recommend using them with a glass mouse pad, so ASUS's sources disagree on the bundled set's material. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	100% PTFE (2 semi-circle feet, 1 around the sensor) with rounded 2.5D edges	100% PTFE

Sensor model / typeDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's sensor name, with track-on-glass technology. The supplier is not stated. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification · Razer's sensor name. Razer lists a resolution accuracy of 99.8%. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs	ROG AimPoint Pro optical sensor	Razer Focus Pro 35K optical (Gen-2)
Maximum tracking resolutionDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	42000 DPI	35000 DPI
Minimum sensitivity Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's quick start guide gives the resolution as 100 DPI to 42000 DPI. ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 35,000 DPI maximum and single-step DPI adjustment. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	100 DPI	Not provided
On-the-fly DPI settingsDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · The DPI button switches between four settings: 400 / 800 / 1600 (default) / 3200 DPI. [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro Manufacturer specification · Five factory DPI stages (400, 800, 1600 default, 3200, 6400) cycled by the underside button. Razer Viper V3 Pro — Razer UK product overview and FAQ	4 settings	5 settings
Maximum wireless report rate Sources ASUS ROG Harpe II Ace Manufacturer specification · 2.4 GHz RF with ROG SpeedNova 8K and the bundled wireless dongle; ASUS says the polling-rate booster is not supported for this product and not needed. Selectable 125 / 250 / 500 / 1000 (default) / 2000 / 4000 / 8000 Hz; the quick start guide marks 500 Hz and above as not supported over Bluetooth. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification · Up to 8000 Hz with the HyperPolling Wireless Dongle included in the box. For testing the polling rate, Razer's FAQ says to plug the HyperPolling Wireless Dongle directly into an available USB port on the PC and close background programs. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs	8000 Hz	8000 Hz
Maximum wired report rate Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's listed USB report rate. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro No source recorded.	8000 Hz	Not provided
Published tracking speed Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's maximum speed rating; test surface not stated. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification · Razer's maximum speed rating; test surface not stated. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	750 IPS	750 IPS
Published acceleration thresholdDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's maximum acceleration rating; test surface not stated. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Manufacturer specification · Razer's maximum acceleration rating; test surface not stated. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	50 G	70 G
On-mouse adjustmentsDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · Key combinations on the mouse, per ASUS's quick start guide: lift-off distance with the Pairing and Forward buttons (Low by default), polling rate with the Pairing and Backward buttons, and a hardware reset; ASUS's FAQ says the DPI button switches between four DPI settings. DPI On-The-Scroll is unconfirmed: the guide's specification footnote says "You may customize the DPI settings for DPI 1-4 through Armoury Crate or the DPI On-The-Scroll tuning function.", but the guide gives no DPI On-The-Scroll procedure for this model and ASUS's FAQ says Harpe II Ace device settings are only available via Gear Link. [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification · Razer's listed sensor features. Razer does not state on these pages which software configures them. Razer Viper V3 Pro — Razer UK product overview and FAQ	Lift-off distance (Low / High); polling rate; DPI (four presets); hardware reset	Asymmetric cut-off (lift-off and landing distance individually set from up to 26 levels); Smart Tracking; Motion Sync; Dynamic Sensitivity; Rotation Tool; Sensitivity Matcher; single DPI step adjustments

Listed controls Sources ASUS ROG Harpe II Ace ASUS's web pages give no button count. Versus counts the buttons labelled in the quick start guide's "Mouse features" diagram (left-click, right-click, forward, backward and DPI) plus the scroll-wheel click, which the guide uses in its key combinations. The separately labelled pairing button, a connection control, is not counted. · Calculated from cited specifications ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification · Razer's specification table lists 6 programmable buttons; the feature section separately advertises "8 programmable controls" without itemising them. The numeric six retains the specifically sourced programmable-button scope; it is not an inferred total of physical controls or eight programmable buttons. The neutral shared label does not transfer programmability to a contender whose source lists only a button count. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ	6	6
Main switch technologyDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · Not hot-swappable, per ASUS's FAQ. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro Manufacturer specification · Manufacturer advertises90-million-click lifecycle,0.2ms switch actuation and no debounce delay. The0.2ms claim has no stated measurement/test protocol on these pages and is not an independently measured end-to-end click/input latency or a comparable contender latency result. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ	ROG Optical Micro Switches	Razer Optical Mouse Switches Gen-3
Claimed main-switch durabilityDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's lifespan rating for the ROG Optical Micro Switches. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes Razer Viper V3 Pro Manufacturer specification · Razer's lifecycle rating for the optical switches. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	100 million clicks	90 million clicks
Scroll controls Sources ASUS ROG Harpe II Ace No source recorded. Razer Viper V3 Pro Manufacturer specification Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	Not provided	Standard scroll wheel; no tilt-click

ConnectionsDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS lists tri-mode connectivity. ASUS's FAQ says device settings are available only in 2.4 GHz wireless or wired mode. ASUS's quick start guide describes pairing Bluetooth mode to additional host devices (max. 3). ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification · Razer lists HyperSpeed wireless and wired modes; no Bluetooth is listed. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs	2.4 GHz RF wireless (receiver), Bluetooth 5.1 or wired USB 2.0 (USB-C to USB-A ROG Paracord)	Razer HyperSpeed wireless (HyperPolling Wireless Dongle); wired USB-C
Battery lifeDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's rating; ASUS notes increased power consumption in Zone mode. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro Manufacturer specification · Razer's rated wireless battery life by report rate; test conditions beyond report rate are not stated. Rechargeable over USB-C. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro - Black (RZ01-05120100-R3U1) — Razer US store page and tech specs	Lithium-ion; up to 101 hours with lighting off or 84 hours with default lighting (2.4 GHz at 1000 Hz, and Bluetooth)	Up to 95 hours at 1000 Hz; up to 62 hours at 2000 Hz; up to 40 hours at 4000 Hz; up to 17 hours at 8000 Hz
Cable length Sources ASUS ROG Harpe II Ace Manufacturer specification · Included ROG Paracord (USB Type-C to Type-A). ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro Razer does not list the cable length for this model. · Manufacturer specification · Razer names a USB Type-A to USB Type-C cable but gives no length. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	2 m	Not provided
Charging Sources ASUS ROG Harpe II Ace No source recorded. Razer Viper V3 Pro Manufacturer specification · Charged with the included USB Type-A to USB Type-C cable. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ	Not provided	USB Type-C rechargeable

Onboard memory Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's FAQ describes cycling through 5 memory profiles; ASUS notes onboard memory does not support macros and Windows shortcuts. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro Manufacturer specification · Holds one profile based on the last-used Razer Synapse profile, including DPI and button settings. Razer Viper V3 Pro — Razer UK product overview and FAQ	Yes	Yes
Onboard profile capacityDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · Cycled with the DPI button and scroll wheel pressed together, per ASUS's FAQ. [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification · One onboard profile, per Razer's specification table and FAQ. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs Razer Viper V3 Pro — Razer UK product overview and FAQ	5 profiles	1 profile
LightingDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's FAQ says Aura Sync cross-product features remain available in Armoury Crate. ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro Manufacturer specification · Razer lists no RGB lighting. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	Scroll wheel (Aura Sync)	None
Customisation softwareDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's FAQ says device settings are available only via Gear Link, in 2.4 GHz wireless or wired mode; Armoury Crate is used only for cross-product features such as Aura Sync. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro Manufacturer specification · Button, DPI and profile settings are configured in Razer Synapse. Razer Viper V3 Pro — Razer UK product overview and FAQ	Gear Link (web browser)	Razer Synapse

Zone mode Sources ASUS ROG Harpe II Ace Manufacturer specification · Toggled on the mouse by holding the DPI, Forward and Backward buttons, which ASUS's quick start guide documents in RF 2.4G wireless mode; ASUS notes increased power consumption while Zone mode is on. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro No source recorded.	On-mouse Zone mode: 8K Hz polling, RGB off, sensor always on	Not provided
Shell material Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS says the bio-based shell reduces weight by up to 11% compared with the Harpe Ace Aim Lab Edition and is 30% more durable than the previous generation; it has a matte anti-slip coating. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes Razer Viper V3 Pro No source recorded.	Bio-based nylon shell (castor oil based)	Not provided
Listed operating systems Sources ASUS ROG Harpe II Ace Manufacturer specification · ASUS's listed OS support. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs Razer Viper V3 Pro No source recorded.	Windows 10; Windows 11	Not provided
Listed packageDifferent Sources ASUS ROG Harpe II Ace Manufacturer specification · Manufacturer box contents, as listed on the spec pages. ASUS says grip tape and mouse feet are consumables not covered by warranty. ASUS's quick start guide refers to the bundled mouse feet as glass, while the spec pages list a 100% PTFE set, so the bundled feet material is disputed between ASUS sources. Check the seller's listing. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK tech specs ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes ROG Harpe II Ace Gaming Mouse — ASUS ROG USA tech specs ROG Harpe II Ace (P723) Quick Start Guide Q25971 — ASUS download PDF Razer Viper V3 Pro Manufacturer specification · Manufacturer box contents; check the seller's listing. Razer Viper V3 Pro - Black (RZ01-05120100-R3G1) — Razer UK store page and tech specs	P723 ROG Harpe II Ace mouse; wireless receiver; wireless receiver extender; ROG Paracord; mouse grip tape (4 pieces, one-time stick); 100% PTFE mouse feet set (2 semi-circle, 1 for sensor); thank-you card with hotkey guide; warranty card; quick start guide; ROG logo sticker	Mouse; HyperPolling Wireless Dongle; USB Type-A to USB Type-C cable; Razer Mouse Grip Tape; Important Product Information Guide

Show unverified (1)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
ROG Omni Receiver multi-device pairing Sources ASUS ROG Harpe II Ace ASUS's product overview and its support FAQ disagree on Omni Receiver multi-device support. · Manufacturer specification · The UK overview says tri-mode connectivity "plus an ROG Omni Receiver supporting multiple-device wireless connection with a single receiver"; ASUS's US FAQ says the Harpe II Ace does not support the Omni one-to-two pairing feature and cannot pair with other devices' dongles. ROG Harpe II Ace Gaming Mouse — ASUS ROG UK product overview and footnotes [Mouse] ROG Harpe II Ace FAQs — ASUS USA official support Razer Viper V3 Pro No source recorded.	Conflicting sources	Not provided

First product manufacturer source Second product manufacturer source

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Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.