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ASUS PRIME B850M-F WIFI Micro-ATX Motherboard, AM5 DDR5, PCIe 5.0, Wi-Fi 6, 1Gb LAN

Brand:
ASUS
ASUS PRIME B850M-F WIFI AM5 DDR5 Micro-ATX Motherboard
ASUS PRIME B850M-F WIFI Micro-ATX Motherboard, AM5 DDR5, PCIe 5.0, Wi-Fi 6, 1Gb LAN
€165.16 inc. VAT
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90MB1N80-M0EAY0
€138.79 €154.21
€165.16 inc. VAT
Ships from EU stock: 25 item(s)
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Product Code
04:570483
EAN Code
4711636260176
Manufacturer
ASUS
Features
Bluetooth, Wireless

Quick Specs

Platform
AM5 / B850 / CPU up to 120W
Memory
2 × DDR5 / up to 128GB
Storage
2 × M.2 / 4 × SATA
Network
Wi-Fi 6 / Bluetooth / 1Gb LAN
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ASUS PRIME B850M-F WIFI Micro-ATX Motherboard, AM5 DDR5, PCIe 5.0, Wi-Fi 6, 1Gb LAN

AM5 / B850 / CPU up to 120W2 × DDR5 / up to 128GB2 × M.2 / 4 × SATA

PRIME B850M-F WIFI is a compact 22.6 × 22.2cm micro-ATX board for supported AM5 processors up to 120W. It includes Wi-Fi 6, Bluetooth and 1Gb Ethernet, with two DDR5 sockets and two NVMe M.2 slots. Ryzen 9000 and 7000 CPUs provide PCIe 5.0 for the graphics slot and first M.2 socket; Ryzen 8000 configurations use PCIe 4.0 and fewer graphics lanes depending on the processor.

Compatibility — check before buying:
Requires supported AM5 CPU up to 120W, DDR5 and compatible case; components separate.

Key Features

 
Check the 120W CPU limit first
Use ASUS’s exact CPU support list and required BIOS. An AM5 socket match alone is insufficient, particularly for higher-power processors.
 
Plan expansion around your processor
With Ryzen 9000/7000, the main slot is PCIe 5.0 x16 and M.2_1 is PCIe 5.0 x4. Ryzen 8000 changes both generation and lane availability.
 
Included wireless, a front USB-C connection
Wi-Fi 6 is 1×1 on 2.4/5GHz. The USB-C connection is an internal 5Gbps header for a compatible case; rear USB is Type-A.
 
Small board with useful service controls
BIOS FlashBack, Q-LED Core and three controlled fan headers help assembly and maintenance. Confirm case space, cooler fit and header current before installation.

Technical Specifications

Platform and memory
Brand / model ASUS PRIME B850M-F WIFI
Manufacturer SKU / EAN 90MB1N80-M0EAY0 / 4711636260176
Socket / chipset AMD AM5 / B850
CPU support / limit Ryzen 9000/8000/7000 desktop CPUs, up to 120W; exact CPU support list and BIOS required
Additional CPU support ASUS CPU list also includes selected EPYC 4005 parts; check the specific processor and BIOS, not the family name alone
Form factor / dimensions Micro-ATX, 22.6 × 22.2cm (8.9 × 8.75in)
Memory capacity / format 2 × 288-pin DDR5 DIMM, up to 128GB, dual channel; ECC/non-ECC unbuffered; support CPU-dependent
Overclock memory rates Ryzen 9000: up to 8200+MT/s; 8000: 8400+MT/s; 7000: 8000+MT/s; CPU/memory/BIOS dependent
Memory profiles / on-die ECC AMD EXPO, ASUS AEMP; DDR5 non-ECC includes on-die ECC, which does not establish system-level ECC support
Expansion and storage
Main PCIe slot Ryzen 9000/7000: PCIe 5.0 x16, x16 mode; Ryzen 8000: PCIe 4.0 x16 physical, x8/x4 mode by CPU
Secondary PCIe 1 × PCIe 4.0 x1, B850 chipset
M.2_1 Key M 2280; PCIe 5.0 x4 with Ryzen 9000/7000, PCIe 4.0 x4 with Ryzen 8000
M.2_2 Key M 2242/2260/2280; PCIe 4.0 x4 with Ryzen 9000/7000, PCIe 4.0 x4/x2 with Ryzen 8000 by CPU
SATA 4 × SATA 6Gb/s, B850 chipset
RAID AMD RAIDXpert2: Ryzen 9000 RAID 0/1/5/10; 8000 RAID 0/1; 7000 RAID 0/1/10; CPU-dependent
Connectivity and audio
Ethernet Realtek 1Gb Ethernet, ASUS LANGuard
Wi-Fi 1×1 Wi-Fi 6 (802.11ax), 2.4/5GHz
Bluetooth v5.3; version may vary by installed wireless module
Display output 1 × HDMI 2.1, up to 4K at 60Hz; requires CPU integrated graphics, capability CPU-dependent
Rear USB 2 × USB 5Gbps Type-A, 4 × USB 2.0 Type-A; no rear USB-C
Front USB 1 × USB 5Gbps Type-C connector (1 port, max. 5V/3A); 1 × USB 5Gbps header (2 ports); 2 × USB 2.0 headers (4 ports)
Other rear connections 1 × RJ-45, Wi-Fi module antenna connections, 3 × audio jacks, BIOS FlashBack button
Audio Realtek 7.1 HD audio, up to 24-bit/192kHz playback; jack detection, multi-streaming, front jack retasking; 7.1 requires chassis front HD audio
Audio construction Shielding, dedicated PCB layers, premium audio capacitors
Headers and board controls
Power connectors 24-pin main, 8-pin +12V CPU
Fan headers / ratings 1 × 4-pin CPU fan, 2 × 4-pin chassis fan; each up to 1A/12W, Q-Fan controlled
Lighting headers / limits 3 × ARGB Gen 2 (5V/Data/Ground), max. 3A at 5V; up to 120 LEDs per header Gen1 or 500 combined Gen2
Other headers 1 each: Clear CMOS, COM, front HD audio F_AUDIO, S/PDIF out, SPI TPM (14-1pin), front system panel (10-1pin)
Protection / installation DIGI+ VRM, LANGuard, overvoltage protection, SafeSlot, stainless-steel rear I/O; Q-Dashboard, Q-DIMM, Q-LED Core, Q-Slot
BIOS / flash 256Mb Flash ROM, AMI UEFI; BIOS FlashBack button/LED; exact WIFI filename A5729.CAP
BIOS tools CrashFree BIOS 3, EZ Flash 3, EZ Mode, MyHotkey, AI Cache Boost
Utilities Armoury Crate, Aura Creator/Sync, Fan Xpert 2+, AI Advisor, DriverHub, GlideX, ASUS CPU-Z, TurboV Core
Manageability / OS WOL by PME, PXE; Windows 11, Windows 10 64-bit
Operating ambient temperature 10°C to 35°C

What's in the Box

PRIME B850M-F WIFI motherboard
Two SATA 6Gb/s cables
ASUS Wi-Fi moving antennas
I/O shield
M.2 anchor package
Quick start guide

What Will Not Work

Requires supported AM5 CPU up to 120W, DDR5 and compatible case; components separate.
PCIe generation and lane widths vary with CPU; rear HDMI requires CPU integrated graphics.
No rear USB-C; case front USB-C requires a compatible cable.

Frequently Asked Questions

Will every AM5 processor work?
No. ASUS specifies supported CPUs up to 120W. Check the exact processor and BIOS on the model’s CPU support list before buying.
Is the Ethernet connection 2.5Gbps?
No. The exact ASUS manual specifies Realtek 1Gb Ethernet. Wi-Fi 6 is a separate included connection.
Does Ryzen 8000 give the same PCIe 5.0 expansion?
No. Ryzen 8000 uses PCIe 4.0 for the main slot and first M.2; main-slot lanes are x8 or x4 and second M.2 lanes are CPU-dependent.
Singular Expert Insight
Choose this board for a compact, supported AM5 build with included wireless. Check the 120W processor limit before balancing CPU performance, and use the CPU-specific lane table when choosing graphics and NVMe drives. Check your upgrade with Singular Tell us your equipment model and we can check the compatibility requirements.

Buyer’s Guide

Buy it if

You need compact AM5 DDR5 with included Wi-Fi and have a supported CPU up to 120W.

Skip it if

You need four DIMM sockets, 2.5Gb Ethernet or an unsupported higher-power CPU.

Also consider

A board supporting your exact CPU power class and extra ports if those are priorities.

Features - ASUS - 90MB1N80-M0EAY0

CPU Socket
  • Socket AM5
Interface
  • USB3.2,
  • USB Type-C,
  • USB2.0,
  • M.2,
  • SATA,
  • Ethernet,
  • Bluetooth,
  • WIFI
Port Speed
  • 1 Gbps
More Details
Product Code
04:570483
EAN Code
4711636260176
Manufacturer
ASUS
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