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Asrock B850M Challenger WiFi AMD B850 Socket AM5 micro ATX

Asrock B850M Challenger WiFi, AMD, Socket AM5, AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series,...Read full description ↓

Best offerPrice trend

£113

-15%
Price trend
Detailed analysis ›
Price history of Asrock B850M Challenger WiFi AMD B850 Socket AM5 micro ATX over the last 3 months
DatePrice
30 August 2026£133
30 August 2026£133
1 September 2026£134
7 September 2026£130
21 September 2026£137
22 September 2026£137
26 September 2026£134
28 September 2026£112
30 September 2026£113
3 October 2026£113
8 October 2026£113
12 October 2026£113
14 October 2026£113
15 October 2026£113

Product Information

Forge the Future Dominate the Game
Challenger Series is all about fearless play, bold breakthroughs, and relentless evolution. Packed with solid specs at a gamer-friendly price, it’s the ultimate option for gamers.

DDR5 XMP & EXPO Support
Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.

PCIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.

Aluminum Heatsink
The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.

Built-in Bluetooth
Connect wireless peripherals and accessories with ease. From keyboards and mice to headsets, controllers, speakers, and smartphones, built-in Bluetooth helps reduce cable clutter and makes daily wireless pairing more convenient.

Dragon 2.5 Gb/s LAN
The intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.

Front USB 3.2 Gen1 Type-C
Front USB 3.2 Gen1 Type-C header delivers up to 5 Gbps data transfer rate and next generation reversible USB design to the front panel of computer case.

POLYCHROME RGB
This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.

SignalRGB
SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility.

One-Click to AI Agents – ASRock Claw Quickset
ASRock Claw Quickset is a Windows desktop utility that simplifies the deployment of OpenClaw and local AI models. It automates installation, configuration, and environment setup, allowing users to start using AI with minimal technical knowledge.

Motherboards Asrock

Product

Name
Asrock B850M Challenger WiFi AMD B850 Socket AM5 micro ATX
Category
Motherboards
Brand
Asrock

Weight & dimensions

Width
244 mm
Depth
244 mm

Memory

Supported memory types
DDR5-SDRAM
Number of memory slots
4
Maximum internal memory
256 GB
Memory slots type
DIMM
Memory channels
Dual-channel
ECC сompatibility
ECC & Non-ECC

Processor

Processor manufacturer
AMD
Processor socket
Socket AM5
Compatible processor series
AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Maximum number of SMP processors
1

Rear panel I/O ports

USB 2.0 ports quantity
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
6
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
0
Ethernet LAN (RJ-45) ports
1
VGA (D-Sub) ports quantity
0
HDMI ports quantity
1
DVI-D ports quantity
0
Headphone outputs
1
Line-in
Yes
Microphone in
Yes

Internal I/O

USB 2.0 connectors
2
USB 3.2 Gen 1 (3.1 Gen 1) connectors
1
USB 3.2 Gen 2 (3.1 Gen 2) connectors
1
Number of SATA III connectors
4
Front panel audio connector
Yes
ATX Power connector (24-pin)
Yes
CPU fan connector
Yes
Number of CPU fan connectors
2
Number of chassis fan connectors
3
Peripheral (Molex) power connectors (4-pin)
1
EPS power connector (8-pin)
Yes
Number of EPS power connectors (8-pin)
1
RGB LED pin header
Yes

Network

Wi-Fi
Yes
Ethernet LAN
Yes
Ethernet interface type
2.5 Gigabit Ethernet
LAN controller
Dragon RTL8125BG
Top Wi-Fi standard
Wi-Fi 7 (802.11be)
Wi-Fi standards
802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be)
Bluetooth
Yes
Bluetooth version
5.4

Expansion slots

PCI Express x1 (Gen 4.x) slots
1
PCI Express x16 (Gen 4.x) slots
1
PCI Express x16 (Gen 5.x) slots
1
Number of M.2 (M) slots
1

Packaging content

Cables included
SATA
Antenna included
Yes

BIOS

BIOS type
UEFI AMI
BIOS memory size
512 Mbit

Features

Component for
PC
Motherboard form factor
micro ATX
Motherboard chipset family
AMD
Motherboard chipset
AMD B850
Audio output channels
7.1 channels
Audio chip
Realtek ALC897
Windows operating systems supported
Windows 10 x64, Windows 11 x64

Storage controllers

Supported storage drive interfaces
M.2, SATA III
RAID support
Yes
RAID levels
0, 1, 10

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