AsRock B850M Steel Legend WiFi

AM5, AMD B850, Micro ATX (mATX)
6Ratings
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Product details

The ASRock B850M Steel Legend WiFi is based on the AMD B850 chipset and supports AMD processors for the AM5 socket. It has four DDR5 slots for up to 256 GB of RAM.

Key specifications

Mainboard features
Front panel audio connector, Temperature sensor connections, Trusted Platform Module
Wireless transmission
Bluetooth, Wi-Fi
Number of memory modules (RAM)
4x
Internal connection options
M.2 PCIe (3x), S-ATA III (4x)

General information

Item number
53885124
Manufacturer
AsRock
Category
Motherboards
Manufacturer no.
90-MXBS2-A0UAYZ
Release date
6.1.2025
Sales rank in Category Motherboards
116 of 988
External links
Manufacturer's site (de)

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B850
Mainboard features
Front panel audio connector, Temperature sensor connections, Trusted Platform Module
Operating system compatibility
Windows 10, Windows 11 Home, Windows 11 Pro
BIOS type
UEFI AMI
Wireless transmission
Bluetooth, Wi-Fi
Wi-Fi standard
Wi-Fi 1 / 802.11b, Wi-Fi 2 / 802.11a, Wi-Fi 3 / 802.11g, Wi-Fi 4 / 802.11n, Wi-Fi 5 / 802.11ac, Wi-Fi 6 / 802.11ax, Wi-Fi 7 / 802.11be

Memory

Memory form factor
DIMM
Number of memory modules (RAM)
4x
Max. memory (RAM)
256 GB
Max. RAM OC
5600 MHz
RAM buffer
Unbuffered

Graphics properties

Video connections
DisplayPort (1x), HDMI (1x)
Video connection version
Display port 1.4, HDMI 2.1

Network

Network connections
RJ45 2.5 Gigabit Ethernet (1x)
Ethernet controller
Dragon RTL8125BG
Max. port speed
2.50 Gbit/s

Audio

Chip
Realtek ALC1220
Audio channel
7.1 Channel
Audio Connections
Jack 3.5mm In (1x), Jack 3.5mm Line In (1x), Jack 3.5mm Out (3x), Microphone

Data storage

RAID configuration
0, 1, 10

Internal interfaces

Internal connection options
M.2 PCIe (3x), S-ATA III (4x)
Expansion slot
PCI Express x16 (Gen 5) (1x), PCI Express x4 (1x)
PCI express version (max.)
5
Number of fan connector
3

Further connections

USB ports
USB-A, USB-C
Exact USB ports
USB-A 2.0 (4x), USB-A 3.2 Gen 1 (2x), USB-A 3.2 Gen 2 (2x), USB-C 3.2 Gen 2 (1x)

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 piece, SATA cable (1x)

Product dimensions

Length
244 mm
Width
244 mm

Package dimensions

Length
30.10 cm
Width
26.90 cm
Height
6.20 cm
Weight
1.48 kg

30-day right of return
24 Months Warranty (Bring-in)
13 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Motherboards» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.MSI
    2.4 %
  • 3.ASUS
    2.5 %
  • 4.AsRock
    2.8 %
  • 5.Supermicro
    3.1 %
  • 6.NZXT
    4.1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.AsRock
    4 days
  • 1.MSI
    4 days
  • 3.Gigabyte
    6 days
  • 4.ASUS
    7 days
  • 5.Biostar
    26 days

Return rate

How often is a product of this brand in the «Motherboards» category returned?

Source: Digitec Galaxus
  • 2.ASUS
    4.9 %
  • 2.Gigabyte
    4.9 %
  • 4.AsRock
    5.9 %
  • 5.Biostar
    6.8 %
  • 6.NZXT
    8.2 %
Source: Digitec Galaxus