ASUS PRIME B850M-K

AM5, AMD B850, mATX
Ratings
BrandMore from ASUS
Delivered between Tue, 7.4. and Wed, 8.4.
10 pieces in stock at supplier
free shipping

Product details

The B850M-K ASUS Prime series motherboards are expertly designed to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B850M-K motherboard offers users and PC DIY builders a range of performance optimizations through intuitive software and firmware features. It is designed to be ready for advanced AI PCs, providing the performance and connectivity required for demanding AI applications.

Key specifications

Mainboard features
Front panel audio connector, RGB header, S/PDIF header, Serial header, Trusted Platform Module
Number of memory modules (RAM)
2x
Internal connection options
M.2 PCIe (2x), S-ATA III (4x)

General information

Item number
57493481
Manufacturer
ASUS
Category
Motherboards
Manufacturer no.
90MB1LV0-M0EAY0
Release date
8.4.2025

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B850
Mainboard features
Front panel audio connector, RGB header, S/PDIF header, Serial header, Trusted Platform Module
Operating system compatibility
Windows
BIOS type
UEFI AMI

Memory

Memory form factor
DIMM
Number of memory modules (RAM)
2x
Max. memory (RAM)
128 GB
Memory chip
DDR5-5200, DDR5-5600
RAM buffer
Unbuffered

Graphics properties

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

Network

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

Data storage

RAID configuration
0, 1, 10

Internal interfaces

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

Further connections

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

Power supply

Power connectors
24-pin ATX, 8-pin ATX 12V

Origin

Country of origin
China

Sustainability

Manufacturer commitment
RE100, SBTi

Voluntary climate contribution

CO₂ emissions
1640.39 kg
Climate contribution
CHF 5.95

Scope of delivery

Scope of delivery
SATA cable, Screws

Product dimensions

Length
288 mm
Width
244 mm
Height
297 mm
Weight
1070 g

Package dimensions

Length
27 cm
Width
26.30 cm
Height
5 cm
Weight
1.08 kg

30-day right of return
36 Months Warranty (Bring-in)
15 additional offers

Compare products

Goes with

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 %
  • 2.ASUS
    2.5 %
  • 3.Gigabyte
    2.6 %
  • 4.AsRock
    2.9 %
  • 5.Supermicro
    3.2 %

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
  • 2.MSI
    6 days
  • 3.ASUS
    8 days
  • 4.Gigabyte
    10 days

Return rate

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

Source: Digitec Galaxus
  • 1.MSI
    4.8 %
  • 2.Gigabyte
    5 %
  • 3.ASUS
    5.1 %
  • 4.AsRock
    5.9 %
  • 5.Biostar
    7.7 %
Source: Digitec Galaxus