ASUS PRIME B850M-K

AM5, AMD B850, mATX
Ratings
BrandMore from ASUS
Delivered between Wed, 25.6. and Fri, 27.6.
Only 1 item in stock at supplier
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Product details

B850M-K ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen 9000 series processors. The PRIME B850M-K motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

Key specifications

Processor family
Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen
Memory type
DDR5 RAM
Number of memory modules (RAM)
2 x
Internal connection options
M.2 PCIe (2x), S-ATA III (4x)
Mainboard features
Front panel audio connector, RGB header, S/PDIF header, Serial header, Trusted Platform Module
Item number
57493481

General information

Manufacturer
ASUS
Category
Motherboards
Manufacturer no.
90MB1LV0-M0EAY0
Release date
8.4.2025
Sales rank in Category Motherboards
239 of 941

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

Processor

Processor family
Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen

Memory

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

Graphics properties

Video connections
DisplayPort (1x), HDMI (1x)

Network

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

Audio

Audio channel
7.1 Channel

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 (Gen 4) (1x), PCI Express x16 (Gen 5) (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
Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
SATA, Screws included

Product dimensions

Length
221 mm
Width
244 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)
7 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
  • 2.AsRock
    2.7 %
  • 2.Gigabyte
    2.7 %
  • 4.ASUS
    2.8 %
  • 5.Supermicro
    3.4 %
  • 6.NZXT
    4.7 %

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
  • 3.MSI
    2 days
  • 4.Gigabyte
    5 days
  • 4.Supermicro
    5 days
  • 6.NZXT
    6 days
  • 7.ASUS
    7 days

Return rate

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

Source: Digitec Galaxus
  • 1.MSI
    5 %
  • 2.ASUS
    5.2 %
  • 3.Gigabyte
    5.3 %
  • 4.Supermicro
    6.3 %
  • 5.AsRock
    6.9 %
Source: Digitec Galaxus