ASUS PRIME B850-PLUS-CSM

AM5, AMD B850, ATX
Ratings
Delivered between Thu, 14.8. and Fri, 15.8.
7 pieces in stock at supplier
free shipping

Product details

ASUS Prime series motherboards are expertly designed to realise the full potential of AMD Ryzen 9000 series processors. The PRIME B850-PLUS-CSM motherboard offers users and PC DIY builders a range of performance optimisations through intuitive software and firmware functions. It is designed to be advanced AI PC-ready, providing the performance and connectivity required 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)
4 x
Internal connection options
M.2 PCIe (3x), S-ATA III (4x)
Mainboard features
Front panel audio connector, Thunderbolt header
Item number
57493475

General information

Manufacturer
ASUS
Category
Motherboards
Manufacturer no.
90MB1LC0-M0EAYC
Release date
8.4.2025

Motherboard properties

Form factor
ATX
Socket
AM5
Chipset
AMD B850
Mainboard features
Front panel audio connector, Thunderbolt header
Operating system compatibility
Windows 10
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)
4 x
Max. memory (RAM)
256 GB
Memory chip
DDR5-5200
Memory type
DDR5 RAM
RAM buffer
Unbuffered

Graphics properties

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

Network

Network connections
RJ45 2.5 Gigabit Ethernet (1x)
Ethernet controller
Gigabit Ethernet
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 (3x), 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
4

Further connections

USB ports
USB-A, USB-C
Exact USB ports
USB-A 2.0 (2x), USB-A 3.2 Gen 1 (2x), USB-A 3.2 Gen 2 (3x), USB-C 3.2 Gen 2 (1x)

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 piece

Product dimensions

Length
244 mm
Width
305 mm
Height
48 mm
Weight
1030 g

Package dimensions

Length
45 cm
Width
12 cm
Height
35 cm
Weight
600 g

30-day right of return
36 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
  • 2.Gigabyte
    2.7 %
  • 3.AsRock
    2.8 %
  • 3.ASUS
    2.8 %
  • 5.Supermicro
    3 %
  • 6.NZXT
    4.5 %

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
  • 3.Supermicro
    2 days
  • 5.Gigabyte
    6 days
  • 6.NZXT
    8 days
  • 7.ASUS
    9 days

Return rate

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

Source: Digitec Galaxus
  • 1.MSI
    4.8 %
  • 2.ASUS
    5 %
  • 3.Gigabyte
    5.1 %
  • 4.NZXT
    6 %
  • 5.AsRock
    6.2 %
Source: Digitec Galaxus