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AsRock MB AMD AM5 B850M Challenger WiFi

AM5, AMD B850, Micro ATX (mATX)
Price in EUR including VAT
Delivered between Sat, 28-3 and Tue, 31-3
More than 10 pieces in stock at supplier
free shipping

Product details

The AsRock MB AMD AM5 B850M Challenger WiFi is a powerful Micro ATX motherboard designed for modern computer applications. It supports the AMD B850 chipset and offers a variety of features that are important for demanding users. With four RAM slots, it allows for the installation of DDR5 RAM, which supports a maximum overclocking of up to 8000 megahertz. This ensures high performance and fast data processing, essential for gaming and creative applications. The motherboard is equipped with PCIe 5.0, providing improved bandwidth for graphics cards and other expansion cards. Additionally, it features multiple USB-A ports and offers wireless transmission capabilities through integrated Wi-Fi. The compact mATX form factor allows for flexible integration into various cases, while the robust construction ensures stability and durability. This motherboard is an excellent choice for anyone looking to build a powerful and future-proof system.

Key specifications

Wireless transmission
Wi-Fi
Memory type
DDR5 RAM
Internal connection options
M.2 (1x)S-ATA III (4x)

General information

Item number
66104223
Manufacturer
AsRock
Category
Motherboards
Manufacturer no.
90-MXBU40-A0UAYZ
Release date
6-1-2026
External links

Motherboard properties

Form factor
Micro ATX (mATX)
Socket
AM5
Chipset
AMD B850
Wireless transmission
Wi-Fi

Memory

Memory type
DDR5 RAM

Graphics properties

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

Network

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

Audio

Audio channel
7.1 Channel

Data storage

RAID configuration
0110

Internal interfaces

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

Further connections

USB ports
USB-AUSB-C
Exact USB ports
USB-A 2.0 (6x)USB-A 3.0 (9x)

Origin

Country of origin
Vietnam

Voluntary climate contribution

CO₂ emissions
95,84 kg
Climate contribution
EUR 2,42

Product dimensions

Length
244 mm
Width
244 mm

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 2.ASUS
    2,5 %
  • 2.Gigabyte
    2,5 %
  • 4.AsRock
    2,9 %
  • 5.Supermicro
    3,2 %
  • 6.Biostar
    3,7 %

Statutory 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: 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: Galaxus
  • 2.Gigabyte
    5 %
  • 3.ASUS
    5,1 %
  • 4.AsRock
    5,9 %
  • 5.Biostar
    7,2 %
  • 6.NZXT
    8,9 %
Source: Galaxus