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ASUS TUF GAMING B850M-E WIFI

AM5 · Micro-ATX · UK specification

CPU socket
AM5
Chipset
AMD B850
Form factor
Micro-ATX; 244 × 244 mm

A micro-ATX AM5 motherboard with AMD B850: four DDR5 slots rated up to DDR5-8000+ (OC), a PCIe 5.0 x16 graphics slot, three M.2 slots (one PCIe 5.0 x4), four SATA ports, Realtek 2.5 Gb Ethernet and Wi-Fi 6E.

Prices & buying options

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Price history · US
eBay USnew · USD

Item price · same listing and exact model

Tracking started 18 Oct. One price recorded so far; more daily observations are needed to show changes.

Latest check$173.49
Lowest shown$173.49

1 observed day · 18 Oct–18 Oct

eBay US observed item prices1 observed days. Last checked price per UTC day. Missing dates break the line. Use Explore dates or the table for exact values.
$173.4918 Oct, 12:09 UTC

Last recorded item price per UTC day. Delivery and tax are excluded. Gaps mean no recorded check. Past prices do not confirm current availability; this is not a market-wide price history.

View recorded prices
Exact listing · eBay US · USD
Checked (UTC)Item price
$173.49

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THE ACTUAL PRODUCT
ASUS TUF GAMING B850M-E WIFI micro-ATX motherboard, official front view showing its exact board layout, AM5 processor socket, four memory slots and heatsinks.
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with ASUS ROG STRIX B850-G GAMING WIFI

Specifications checked 27 Sept 2026Manufacturer specifications, not a hands-on test.

Options worth comparing

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The nearest checked motherboards by key specifications, with what differs from the ASUS TUF GAMING B850M-E WIFI. The first matches the Compare button above.

The useful part.

Key strengths

A PCIe 5.0 x16 graphics slot and a PCIe 5.0 x4 M.2 slot, with three M.2 slots and four SATA ports in total.

Two DisplayPort outputs plus HDMI for integrated graphics, a rear PS/2 port and a BIOS FlashBack button.

Accepts ECC as well as non-ECC unbuffered DDR5 up to 8000+ MT/s (OC), and ASUS lists Windows 10 (21H2 and later) as well as Windows 11.

The checks that matter.

Before you buy

Wi-Fi 6E and Bluetooth 5.3 rather than Wi-Fi 7, a single 2.5 Gb Ethernet port, and only eight rear USB ports with 10 Gb/s as the fastest.

Two chassis fan headers, an 8-pin plus 4-pin CPU power input, a back-panel list with no Clear CMOS button (ASUS lists an internal Clear CMOS header), and an unnamed Realtek audio codec.

Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the ASUS TUF GAMING B850M-E WIFI. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

Start a build with thisOpens My setups with the ASUS TUF GAMING B850M-E WIFI in place and checks each part you add
Every specification. With its source.

Full specifications

Exact configuration: TUF GAMING B850M-E WIFI · AM5 · Micro-ATX · ASUS UK specification

36 specifications in 9 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”.

Platform & board

4 items
CPU socket
AM5Source
Chipset
AMD B850Source
Form factor
Micro-ATX; 244 × 244 mm

Check case mounting positions and connector clearance.

Source
Specification market
ASUS UK documentation

UK and US buying links are searches, not proof of stock, identical regional wireless modules, bundles or warranty. Confirm the exact model and part identifier with the retailer.

Source

Memory

4 items
DIMM slots
4

Physical DDR5 module positions; this count is not a guarantee of capacity or profile speed.

Source
Maximum listed memory
256 GB

Manufacturer capacity ceiling; check CPU support, BIOS and the validated DIMM population.

Source
Memory type, slots and limit
4 DDR5 DIMM slots; dual channel; up to 256 GB; up to DDR5-8000+ (OC); AMD EXPO; ECC and non-ECC unbuffered

ASUS lists up to 8000+ MT/s (OC) with Ryzen 9000, 8000 and 7000 processors and AEMP. · Supported capacity, module population and profile speeds depend on the exact CPU, installed BIOS and validated memory kit. Profile support does not guarantee an overclock.

Source
Listed memory overclocking profiles
Ryzen 9000, 8000, 7000: up to 8000+ MT/s (OC)

These are manufacturer-listed overclocking configurations, not guaranteed stock transfer rates or tested performance. CPU family and DIMM layout remain material.

Source

Expansion slots

2 items
Expansion slots and electrical links
1 × PCIe 5.0 x16; 1 × PCIe 4.0 x1

The x16 slot is listed under the Ryzen processor; the x1 slot under the B850 chipset. · With Ryzen 8000 the x16 slot runs PCIe 4.0 x8/x4. See ASUS's PCIe bifurcation table.

Source
PCIe release button
Yes

ASUS PCIe Slot Q-Release. An installation control, not a bandwidth or performance measurement.

Source

Storage

7 items
M.2 storage positions
3

Ryzen 8000 processors change the CPU-attached M.2 links (M.2_1 PCIe 4.0 x4; M.2_2 PCIe 4.0 x4/x2).

Source
SATA storage ports
4

SATA 6 Gb/s; check the source for lane sharing and drive power requirements.

Source
Storage interfaces
1 × M.2 PCIe 5.0 x4; 2 × M.2 PCIe 4.0 x4; 4 × SATA 6 Gb/s

M.2_1 (PCIe 5.0 x4) and M.2_2 (PCIe 4.0 x4) are listed under the Ryzen processor; M.2_3 under the B850 chipset. M.2_3 accepts 2242/2260/2280; M.2_1 and M.2_2 accept 2280. · With Ryzen 8000, M.2_1 runs PCIe 4.0 x4 and M.2_2 PCIe 4.0 x4/x2.

Source
SATA RAID modes
Not listed by the manufacturer

ASUS lists AMD RAIDXpert2 levels per CPU family (Ryzen 9000: 0/1/5/10; 8000: 0/1; 7000: 0/1/10) without stating which apply to SATA versus NVMe devices.

Source
NVMe RAID modes
Not listed by the manufacturer

ASUS lists AMD RAIDXpert2 levels per CPU family (Ryzen 9000: 0/1/5/10; 8000: 0/1; 7000: 0/1/10) without stating which apply to NVMe versus SATA devices.

Source
M.2 drive installation aids
M.2 Q-Latch

Installation feature only; ASUS does not say which M.2 slots use it, and it is not a cooling measurement. A screw package for M.2 SSDs is also listed.

Source
Board and SSD cooling
VRM and chipset heatsinks; one M.2 heatsink

A generic 'Enlarged M.2 Heatsinks' pop-up on the same ASUS page says all three M.2 slots have dedicated heatsinks. The model's labelled cooling layout ('M.2 Heatsink', singular), the gallery image and that pop-up's own illustration all show a single M.2 heatsink, so the pop-up sentence is treated as template text and no per-slot heatsinks are recorded. · Manufacturer cooling design, not measured temperatures. ASUS's labelled cooling layout names one M.2 heatsink for this board's three M.2 slots and does not say which slot it covers. ASUS lists M.2 Q-Latch for the SSD itself but no M.2 Q-Release heatsink switch for this board.

2 sources

USB & rear connections

4 items
Rear connections
2 × USB 10 Gb/s (1 Type-A + 1 Type-C); 2 × USB 5 Gb/s (Type-A); 4 × USB 2.0 (Type-A); 2 × DisplayPort; 1 × HDMI; Wi-Fi module; 1 × Realtek 2.5 Gb Ethernet; 3 × audio jacks; BIOS FlashBack button; 1 × PS/2 keyboard/mouse combo port

Connector count and listed modes describe the rear panel. Display output depends on the CPU's integrated graphics.

Source
Internal USB connections
1 × USB 5 Gb/s (Type-C); 2 × USB 5 Gb/s (1 header); 4 × USB 2.0 (2 headers)

Internal headers need compatible case ports or accessories.

Source
Integrated-graphics display connections
2 × DisplayPort 1.4: up to 8K 30 Hz; HDMI 2.1: 4K 60 Hz

Requires a processor with integrated graphics; see AMD CPU specifications. Not measured display performance.

Source
Rear USB4 support
No

ASUS's complete rear USB list (8 ports) has no USB4 port; the fastest rear ports are USB 10 Gb/s.

Source

Networking

4 items
Network interfaces
Realtek 2.5 Gb Ethernet; Wi-Fi 6E; Bluetooth 5.3

ASUS says the Wi-Fi 6E 6 GHz band is supported only in Windows 11 or later and depends on local regulations; Bluetooth versions may vary by module.

Source
Wired Ethernet
Realtek 2.5 Gb Ethernet

Link-rate capability; real throughput depends on the connected network, cabling and workload. ASUS also lists TUF LANGuard.

Source
Included Wi-Fi
Yes

2x2 Wi-Fi 6E (not Wi-Fi 7). The 6 GHz band is supported only in Windows 11 or later and depends on local regulations.

Source
Listed Bluetooth version
5.3

The manufacturer notes that the Bluetooth version can depend on the installed wireless module.

Source

Audio

1 item
Audio hardware
Realtek 7.1-channel HD audio codec (model not stated); up to 24-bit/192 kHz playback

ASUS says 7.1 output needs a chassis HD audio front-panel module. A codec description is not an independent sound-quality measurement.

Source

Power, cooling & lighting

4 items
Motherboard power connections
1 × 24-pin Main Power connector; 1 × 8-pin +12V CPU Power connector; 1 × 4-pin +12V CPU Power connector

Check the complete connector list and the PSU cable type.

Source
Fan and pump headers
1 CPU; 1 CPU OPT; 1 AIO pump; 2 chassis fan headers (all 4-pin)

Header counts do not specify electrical current limits.

Source
Lighting headers
3 addressable RGB Gen 2 headers

Check the manual for connector voltage and LED limits before connecting lighting.

Source
Advertised voltage regulation
8 + 2 + 1 power stages (80A each)

Manufacturer power-stage ratings with DIGI+ VRM (DrMOS); not a measured VRM temperature or overclocking result.

2 sources

BIOS, software & diagnostics

6 items
CPU support / BIOS source
AMD Ryzen 9000 / 8000 / 7000 Series

Check ASUS's exact CPU support list and its required BIOS. Family support does not confirm the firmware installed on a retail board.

Source
Firmware storage
256 Mb Flash ROM, UEFI AMI BIOS

Flash-ROM capacity does not identify the BIOS version installed on a retail board.

Source
Listed operating systems
Windows 11 (22H2 and later); Windows 10 64-bit (21H2 and later)

Individual features and drivers can have newer operating-system requirements; ASUS limits Wi-Fi 6E 6 GHz operation to Windows 11 or later.

Source
Rear Flash BIOS button
Yes

ASUS BIOS FlashBack button. Use the exact model firmware and follow ASUS's BIOS FlashBack instructions.

Source
Rear Clear CMOS button
Not listed by the manufacturer

ASUS's complete back-panel list has no Clear CMOS button; it lists an internal Clear CMOS header instead. Omission is recorded as unconfirmed rather than a sourced absence.

Source
Diagnostic indicators
Q-LED (CPU, DRAM, VGA, boot device)Source
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