Logitech MX Mechanical vs Logitech Signature K650

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX MechanicalEnglish UK (QWERTY)

Logitech Signature K650English US QWERTY (ANSI)

Sources

Logitech MX Mechanical

Manufacturer specification · UK SKU 920-010756. The official UK image shows the ISO arrangement (tall Enter, £ on 3) with dual Windows/Mac legends; US-layout SKUs are separate products.

Logitech Signature K650

Manufacturer specification · SKU 920-010908 is Logitech's Graphite English US (QWERTY) configuration. The wide single-row Enter, long left Shift and @ on 2 are visible in the official US image.

Logitech Signature K650 — US product page, SKU list and technical specifications

Check the exact configuration and source conditions for your use.

Exact switch option

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX MechanicalTactile Quiet low-profile mechanical switches

Logitech Signature K650Membrane

Sources

Logitech MX Mechanical

Manufacturer specification · Clicky and Linear versions are separate SKUs.

Logitech Signature K650

Manufacturer specification · Logitech describes a deep-cushioned membrane rubber-dome switch system. Its support specification calls the keys plunger type, with 3.2 mm total travel. These describe implementation within membrane construction, not another construction category. No actuation force is published.

Check the exact configuration and source conditions for your use.

Connections

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX MechanicalBluetooth; Logi Bolt

Logitech Signature K650Bluetooth Low Energy (Bluetooth 5.1) or the included Logi Bolt USB receiver; one paired device at a time (Connect key, not Easy-Switch)

Sources

Logitech MX Mechanical

Manufacturer specification · Original exact source inventory: Bluetooth Low Energy or Logi Bolt USB receiver; Easy-Switch between up to 3 devices. Not compatible with Logitech Unifying receivers. The USB-C cable is described as a charging cable. Easy-Switch device count and Flow/setup scope are recorded separately. USB receiver host attachment is distinct from a wired keyboard data mode; unlisted wired data operation remains unverified.

Logitech Signature K650

Manufacturer specification · Logitech's FAQ on the product page states it is intended to be paired with one device at a time. 10 m wireless range per Logitech.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

Check the exact configuration and source conditions for your use.

Keyboard span across the desk

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX Mechanical433.85 mm

Logitech Signature K650457.3 mm

Sources

Logitech MX Mechanical

Manufacturer specification · Logitech labels this Width.

Logitech Signature K650

Manufacturer specification · Width across the key rows.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

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

Key customisation

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX MechanicalLogi Options+: Fn key functions, app-specific profiles, backlighting effects and Smart Actions

Logitech Signature K650Logi Options+ (Windows and macOS)

Sources

Logitech MX Mechanical

Manufacturer specification · Logi Options+ runs on Windows and macOS.

Logitech Signature K650

Manufacturer specification

Logitech Signature K650 — US product page, SKU list and technical specifications

Physical keys, software assignments and stored profiles are different capabilities. Check the host-software requirements; a larger count does not establish better typing or lower latency.

Backlighting

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX MechanicalBacklit keys with hand-proximity activation and ambient light sensor

Logitech Signature K650None

Sources

Logitech MX Mechanical

Manufacturer specification

Logitech Signature K650

Manufacturer specification · Logitech's specification states Backlighting: No.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

Lighting zones and per-key control differ. RGB does not by itself establish individual-key colour control; read the software requirements.

Show 4 more verified differences

Battery claim

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech MX MechanicalUp to 15 days, or up to 10 months with backlighting off

Logitech Signature K650Up to 36 months

Sources

Logitech MX Mechanical

Manufacturer specification · USB-C rechargeable; battery life may vary based on user and computing conditions.

Logitech Signature K650

Manufacturer specification · Logitech claim; battery life may vary based on user and computing conditions.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

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

Dimensions

Logitech MX MechanicalLogitech lists Height 131.55 mm, Width 433.85 mm and Depth 26.1 mm

Logitech Signature K650457.3 × 193.5 × 24 mm (across keys × front-to-back including palm rest × height)

Sources

Logitech MX Mechanical

Manufacturer specification · The Height and Depth labels appear transposed (131.55 mm front-to-back, 26.1 mm tall); Width 433.85 mm is the span across the keys. Logitech’s labels are preserved unchanged.

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

Manufacturer specification · The US product page labels these Width 457.3 mm, Height 193.5 mm and Depth 24 mm; the support article lists the same values. The palm rest is integrated, so the front-to-back figure includes it.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

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

Original package contents

Logitech MX MechanicalKeyboard; Logi Bolt receiver; USB-C charging cable (USB-A to USB-C); user documentation

Logitech Signature K650Keyboard; two pre-installed batteries (size disputed); Logi Bolt USB receiver; user documentation

Sources

Logitech MX Mechanical

Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

Manufacturer specification · The manufacturer package list states two AA batteries pre-installed; the FAQ says two AAA batteries. The conflicting battery size is unresolved in Battery type; this row reports the original package list rather than verified cell compatibility.

Logitech Signature K650 — US product page, SKU list and technical specifications

Check the exact configuration and source conditions for your use.

Manufacturer-stated weight

Logitech MX Mechanical828 g

Logitech Signature K650700.23 g

Sources

Logitech MX Mechanical

Manufacturer specification · Keyboard only; Logitech lists the receiver separately at 1.68 g.

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

Manufacturer specification · Without receiver and with 2 AA alkaline batteries, as stated by Logitech.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

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

Configuration & compatibility details (1)

Supported operating systems

Logitech MX MechanicalBluetooth: Windows 10, 11 or later; macOS 10.15 or later; iOS 14 or later; iPadOS 14 or later; Linux; ChromeOS; Android 8.0 or later. Logi Bolt: USB-A port; Windows 10, 11 or later; macOS (no version stated); Linux; ChromeOS

Logitech Signature K650Logi Bolt receiver: Windows 10, 11 or later; macOS 10.15 or later; Linux. Bluetooth Low Energy: additionally ChromeOS, iPadOS 14 or later, iOS 14 or later and Android 8.0 or later

Sources

Logitech MX Mechanical

Manufacturer specification · On systems other than Windows and macOS only basic functions are supported without software. Logi Options+ is optional and available on Windows and macOS.

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

Manufacturer specification · Current US product page. Logitech notes the device is supported without additional drivers in ChromeOS and most popular Linux distributions. Logi Options+ customisation is Windows/macOS only.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (12)

Multi-device pairing

Logitech MX MechanicalEasy-Switch across up to 3 devices; compatible with Logitech Flow-enabled mice

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

No source recorded for this side.

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

Key rollover

Logitech MX MechanicalNot verified

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

Logitech does not list a rollover figure on the MX Mechanical UK page. · Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

No source recorded for this side.

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

Hot-swappable switches

Logitech MX MechanicalNot verified

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

Logitech does not state hot-swap support on the MX Mechanical UK page. · Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

No source recorded for this side.

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

Keycap finish

Logitech MX MechanicalDual-colour keycaps with a matte surface

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

Manufacturer specification · Logitech does not state the keycap material.

Logitech MX Mechanical — UK product page, SKU data and specifications

Logitech Signature K650

No source recorded for this side.

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

Media and shortcut keys

Logitech MX MechanicalNot verified

Logitech Signature K650Top row acts as media and productivity shortcuts by default (e.g. mute microphone, browser home); special keys: Dictation, Emoji, Snipping tool, Mute mic, Back, Refresh, New browser tab, Close browser tab, Connect key, Settings, Print

Sources

Logitech MX Mechanical

No source recorded for this side.

Logitech Signature K650

Manufacturer specification · Fn + Esc toggles the top row to standard F1–F12. Logitech notes that Mute mic needs software on Windows/Mac (works out of the box on Chrome) and Close browser tab needs software on Mac. Logitech's text does not list dedicated playback or volume buttons, so none are named here.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

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

Spill resistance

Logitech MX MechanicalNot verified

Logitech Signature K650Spill resistance claimed up to 60 ml

Sources

Logitech MX Mechanical

No source recorded for this side.

Logitech Signature K650

Manufacturer specification · From the FAQ on Logitech's US product page ('engineered to survive accidental liquid spills of up to 60ml'); this is not a rating standard, and Logitech gives no IP rating or test method. Original published inventory: Survives accidental liquid spills of up to 60 ml (manufacturer claim). This is an attributed manufacturer spill claim. K650 uses survives-accidental-spills wording and G213 states tested to 60 ml; matched liquid, angle, duration, powered-state and test protocols are not established. No waterproof/IP rating or comparative durability winner follows.

Logitech Signature K650 — US product page, SKU list and technical specifications

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

Switch actuation force

Logitech MX MechanicalNot verified

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

No source recorded for this side.

Logitech Signature K650

Logitech's product page and support specification do not publish an actuation force for this keyboard. · Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

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

Battery type

Logitech MX MechanicalRechargeable Li-Po (1500 mAh)

Logitech Signature K650Conflicting evidence

Sources

Logitech MX Mechanical

Manufacturer specification

Logitech Signature K650

Logitech’s specification and package tables state two AA alkaline batteries; a FAQ on the same exact product page states two AAA alkaline batteries. The sources disagree and the required cell size remains unresolved. · Manufacturer specification · Both sources agree batteries are pre-installed and user replaceable. Do not establish AA or AAA compatibility from the unresolved size conflict.

Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)

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

Rated keypress durability

Logitech MX MechanicalNot verified

Logitech Signature K650Standard keys 20 million; function keys 10 million keypresses

Sources

Logitech MX Mechanical

No source recorded for this side.

Logitech Signature K650

Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

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

Palm rest compatibility

Logitech MX MechanicalCompatible with MX Palm Rest (sold separately)

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

Manufacturer specification · The palm rest is not listed in the package contents.

Logitech Signature K650

No source recorded for this side.

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

Switch total travel

Logitech MX MechanicalNot verified

Logitech Signature K6503.2 mm

Sources

Logitech MX Mechanical

No source recorded for this side.

Logitech Signature K650

Manufacturer specification

Logitech MX Mechanical — UK product page, SKU data and specifications

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

Wireless range claim

Logitech MX Mechanical10 m

Logitech Signature K650Not verified

Sources

Logitech MX Mechanical

Manufacturer specification · May vary with operating environment and computer setup.

Logitech Signature K650

No source recorded for this side.

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

1 shared field has the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech MX Mechanical

What it brings

Easy-Switch moves between up to three devices, and Logitech lists Windows, macOS, iOS, iPadOS, Linux, ChromeOS and Android over Bluetooth.
Manufacturer source
Proximity-activated, light-adjusting backlighting is paired with a claimed 15 days of battery life, or up to 10 months with the backlight off.
Manufacturer source

What to check

At 433.85 mm across and 828 g it needs a full-size footprint, and the USB-C cable is described only as a charging cable, not a wired data mode.
Manufacturer source
Only basic functions are supported outside Windows and macOS without software, and Logitech lists no hot-swap or rollover figure.
Manufacturer source

Logitech Signature K650

What it brings

The integrated soft-touch palm rest and deep-cushioned keys with 3.2 mm of total travel are designed for comfort during long hours at a desk.
Manufacturer source Manufacturer source
Both a Logi Bolt receiver and Bluetooth Low Energy are supported, and Logitech claims up to 36 months of battery life, with a spill-resistant design.
Manufacturer source Manufacturer source

What to check

It pairs with one device at a time rather than offering multi-device Easy-Switch, and it has no backlighting.
Manufacturer source Manufacturer source
It is a full-sized keyboard: 457.3 mm across and 193.5 mm deep including the integrated palm rest. Logitech states 700.23 g in its two-AA-battery measurement configuration, but its FAQ instead specifies AAA batteries.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

24 of 24 specifications Sources in each row

Source-backed specifications for Logitech MX Mechanical and Logitech Signature K650
Specification	Logitech MX Mechanical	Logitech Signature K650

Regional layoutDifferent Sources Logitech MX Mechanical Manufacturer specification · UK SKU 920-010756. The official UK image shows the ISO arrangement (tall Enter, £ on 3) with dual Windows/Mac legends; US-layout SKUs are separate products. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · SKU 920-010908 is Logitech's Graphite English US (QWERTY) configuration. The wide single-row Enter, long left Shift and @ on 2 are visible in the official US image. Logitech Signature K650 — US product page, SKU list and technical specifications	English UK (QWERTY)	English US QWERTY (ANSI)
Keyboard size Sources Logitech MX Mechanical Manufacturer specification · Logitech describes a low-profile form factor; the full-size arrangement with number pad is read from the official UK image and the 433.85 mm width. Canonical full-size class retains the integrated number pad; switch height, regional key layout and controls remain separate source facts. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Logitech describes a full-size keyboard with an integrated palm rest. The palm rest and its footprint remain in the sourced dimensions and original description; they do not change the full-size layout class. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Full-size with number pad	Full-size with number pad
DimensionsDifferent Sources Logitech MX Mechanical Manufacturer specification · The Height and Depth labels appear transposed (131.55 mm front-to-back, 26.1 mm tall); Width 433.85 mm is the span across the keys. Logitech’s labels are preserved unchanged. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · The US product page labels these Width 457.3 mm, Height 193.5 mm and Depth 24 mm; the support article lists the same values. The palm rest is integrated, so the front-to-back figure includes it. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Logitech lists Height 131.55 mm, Width 433.85 mm and Depth 26.1 mm	457.3 × 193.5 × 24 mm (across keys × front-to-back including palm rest × height)
Supported operating systemsDifferent Sources Logitech MX Mechanical Manufacturer specification · On systems other than Windows and macOS only basic functions are supported without software. Logi Options+ is optional and available on Windows and macOS. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Current US product page. Logitech notes the device is supported without additional drivers in ChromeOS and most popular Linux distributions. Logi Options+ customisation is Windows/macOS only. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Bluetooth: Windows 10, 11 or later; macOS 10.15 or later; iOS 14 or later; iPadOS 14 or later; Linux; ChromeOS; Android 8.0 or later. Logi Bolt: USB-A port; Windows 10, 11 or later; macOS (no version stated); Linux; ChromeOS	Logi Bolt receiver: Windows 10, 11 or later; macOS 10.15 or later; Linux. Bluetooth Low Energy: additionally ChromeOS, iPadOS 14 or later, iOS 14 or later and Android 8.0 or later
Keyboard span across the deskDifferent Sources Logitech MX Mechanical Manufacturer specification · Logitech labels this Width. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Width across the key rows. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	433.85 mm	457.3 mm
Manufacturer-stated weightDifferent Sources Logitech MX Mechanical Manufacturer specification · Keyboard only; Logitech lists the receiver separately at 1.68 g. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Without receiver and with 2 AA alkaline batteries, as stated by Logitech. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	828 g	700.23 g

Exact switch optionDifferent Sources Logitech MX Mechanical Manufacturer specification · Clicky and Linear versions are separate SKUs. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Logitech describes a deep-cushioned membrane rubber-dome switch system. Its support specification calls the keys plunger type, with 3.2 mm total travel. These describe implementation within membrane construction, not another construction category. No actuation force is published. Specification - SIGNATURE K650 (Logitech Support)	Tactile Quiet low-profile mechanical switches	Membrane
Keycap finish Sources Logitech MX Mechanical Manufacturer specification · Logitech does not state the keycap material. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 No source recorded.	Dual-colour keycaps with a matte surface	Not provided
Switch total travel Sources Logitech MX Mechanical No source recorded. Logitech Signature K650 Manufacturer specification Specification - SIGNATURE K650 (Logitech Support)	Not provided	3.2 mm
Rated keypress durability Sources Logitech MX Mechanical No source recorded. Logitech Signature K650 Manufacturer specification Specification - SIGNATURE K650 (Logitech Support)	Not provided	Standard keys 20 million; function keys 10 million keypresses

ConnectionsDifferent Sources Logitech MX Mechanical Manufacturer specification · Original exact source inventory: Bluetooth Low Energy or Logi Bolt USB receiver; Easy-Switch between up to 3 devices. Not compatible with Logitech Unifying receivers. The USB-C cable is described as a charging cable. Easy-Switch device count and Flow/setup scope are recorded separately. USB receiver host attachment is distinct from a wired keyboard data mode; unlisted wired data operation remains unverified. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Logitech's FAQ on the product page states it is intended to be paired with one device at a time. 10 m wireless range per Logitech. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Bluetooth; Logi Bolt	Bluetooth Low Energy (Bluetooth 5.1) or the included Logi Bolt USB receiver; one paired device at a time (Connect key, not Easy-Switch)
Battery claimDifferent Sources Logitech MX Mechanical Manufacturer specification · USB-C rechargeable; battery life may vary based on user and computing conditions. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Logitech claim; battery life may vary based on user and computing conditions. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Up to 15 days, or up to 10 months with backlighting off	Up to 36 months
Battery type Sources Logitech MX Mechanical Manufacturer specification Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Logitech’s specification and package tables state two AA alkaline batteries; a FAQ on the same exact product page states two AAA alkaline batteries. The sources disagree and the required cell size remains unresolved. · Manufacturer specification · Both sources agree batteries are pre-installed and user replaceable. Do not establish AA or AAA compatibility from the unresolved size conflict. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Rechargeable Li-Po (1500 mAh)	Conflicting sources
Wireless range claim Sources Logitech MX Mechanical Manufacturer specification · May vary with operating environment and computer setup. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 No source recorded.	10 m	Not provided
Multi-device pairing Sources Logitech MX Mechanical Manufacturer specification Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 No source recorded.	Easy-Switch across up to 3 devices; compatible with Logitech Flow-enabled mice	Not provided

BacklightingDifferent Sources Logitech MX Mechanical Manufacturer specification Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · Logitech's specification states Backlighting: No. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Backlit keys with hand-proximity activation and ambient light sensor	None
Key customisationDifferent Sources Logitech MX Mechanical Manufacturer specification · Logi Options+ runs on Windows and macOS. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification Logitech Signature K650 — US product page, SKU list and technical specifications	Logi Options+: Fn key functions, app-specific profiles, backlighting effects and Smart Actions	Logi Options+ (Windows and macOS)
Media and shortcut keys Sources Logitech MX Mechanical No source recorded. Logitech Signature K650 Manufacturer specification · Fn + Esc toggles the top row to standard F1–F12. Logitech notes that Mute mic needs software on Windows/Mac (works out of the box on Chrome) and Close browser tab needs software on Mac. Logitech's text does not list dedicated playback or volume buttons, so none are named here. Logitech Signature K650 — US product page, SKU list and technical specifications Specification - SIGNATURE K650 (Logitech Support)	Not provided	Top row acts as media and productivity shortcuts by default (e.g. mute microphone, browser home); special keys: Dictation, Emoji, Snipping tool, Mute mic, Back, Refresh, New browser tab, Close browser tab, Connect key, Settings, Print

Original package contentsDifferent Sources Logitech MX Mechanical Manufacturer specification Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 Manufacturer specification · The manufacturer package list states two AA batteries pre-installed; the FAQ says two AAA batteries. The conflicting battery size is unresolved in Battery type; this row reports the original package list rather than verified cell compatibility. Logitech Signature K650 — US product page, SKU list and technical specifications	Keyboard; Logi Bolt receiver; USB-C charging cable (USB-A to USB-C); user documentation	Keyboard; two pre-installed batteries (size disputed); Logi Bolt USB receiver; user documentation
Palm rest compatibility Sources Logitech MX Mechanical Manufacturer specification · The palm rest is not listed in the package contents. Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 No source recorded.	Compatible with MX Palm Rest (sold separately)	Not provided
Spill resistance Sources Logitech MX Mechanical No source recorded. Logitech Signature K650 Manufacturer specification · From the FAQ on Logitech's US product page ('engineered to survive accidental liquid spills of up to 60ml'); this is not a rating standard, and Logitech gives no IP rating or test method. Original published inventory: Survives accidental liquid spills of up to 60 ml (manufacturer claim). This is an attributed manufacturer spill claim. K650 uses survives-accidental-spills wording and G213 states tested to 60 ml; matched liquid, angle, duration, powered-state and test protocols are not established. No waterproof/IP rating or comparative durability winner follows. Logitech Signature K650 — US product page, SKU list and technical specifications	Not provided	Spill resistance claimed up to 60 ml

Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Hot-swappable switches Sources Logitech MX Mechanical Logitech does not state hot-swap support on the MX Mechanical UK page. · Manufacturer specification Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 No source recorded.	Not provided	Not provided
Key rollover Sources Logitech MX Mechanical Logitech does not list a rollover figure on the MX Mechanical UK page. · Manufacturer specification Logitech MX Mechanical — UK product page, SKU data and specifications Logitech Signature K650 No source recorded.	Not provided	Not provided
Switch actuation force Sources Logitech MX Mechanical No source recorded. Logitech Signature K650 Logitech's product page and support specification do not publish an actuation force for this keyboard. · Manufacturer specification Specification - SIGNATURE K650 (Logitech Support)	Not provided	Not provided

First product manufacturer source Second product manufacturer source

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