Key Features
- Micro ATX Form Factor
- AMD B850 Chipset
- Socket AM5
- DDR5 (Max: 256GB / 4 slots)
- 3 x M.2 & 8 x USB & 4 x SATA
- HDMI and Display Port
Shipping & Delivery
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Standard Delivery
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5-7 Working Days
From £4.99
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ASRock B850M Pro RS WiFi Micro ATX Motherboard for AMD AM5 CPUs
£139.58 Original price was: £139.58.£129.24Current price is: £129.24. INC VAT
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Key Features
- Micro ATX Form Factor
- AMD B850 Chipset
- Socket AM5
- DDR5 (Max: 256GB / 4 slots)
- 3 x M.2 & 8 x USB & 4 x SATA
- HDMI and Display Port
Shipping & Delivery
-
Standard Delivery
Our courier will deliver to the specified address
5-7 Working Days
From £4.99
-
Express Delivery
DHL courier will deliver to the specified address
2-3 Working Days
From £9.99
-
Free 30-Day returns
Description
ASRock B850M Pro RS WiFi Next-Gen Performance, Stunning Micro ATX Style

Built for Next-Gen AMD Ryzen Power
The ASRock B850M Pro RS WiFi is purpose-built to harness the full potential of AMD Ryzen™ 9000, 8000, and 7000 series processors. Featuring the advanced AMD B850 chipset and AM5 socket, it supports ultra-fast DDR5 memory up to 8000+ MHz (OC) across four DIMMs, along with robust PCIe Gen5 and Gen4 expansion capabilities. Whether you’re upgrading for gaming, content creation, or multitasking, this micro ATX motherboard delivers extreme performance in a compact size, ready to dominate your desktop build.

Packed with Premium Features for Modern Builders
From Wi-Fi 6E and 2.5Gb LAN for high-speed networking to triple M.2 slots and RAID support for flexible storage configurations, the B850M Pro RS WiFi is fully loaded. With Realtek’s ALC897 7.1-channel HD audio, Nahimic enhancements, and Polychrome RGB lighting support, your rig gets the perfect balance of performance and flair. The inclusion of features like BIOS Flashback, aluminum heatsinks, and a pre-installed I/O shield ensures this board meets the expectations of today’s DIY enthusiasts.

Superior Connectivity and Cooling for All-Around Reliability
This board is designed to support demanding systems with a 6-layer PCB, dual CPU fan headers, and multiple chassis fan connectors for optimal airflow. Front and rear USB Type-C ports, a variety of USB Gen2/Gen1 ports, DisplayPort, and HDMI ensure seamless device compatibility. Add in support for RGB and addressable lighting, SignalRGB integration, and extensive internal headers, and you get a board that adapts to your vision—whether gaming, streaming, or working on high-performance workloads.
| Specifications | |
|---|---|
| Motherboard Type | Desktop |
| Form Factor | Micro ATX |
| Socket | AMD AM5 |
| Chipset | AMD B850 |
| CPU Support | View compatible CPUs |
| Memory Support | 4 x DDR5 DIMMs, Dual Channel, Up to 8000+ MHz (OC), ECC & Non-ECC, Un-buffered, XMP & EXPO Supported |
| Max Memory | 256GB |
| Graphics Output | 1 x HDMI, 1 x Display Port |
| Expansion Slots | Ryzen 9000 & 7000 Series: 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4 Ryzen 8000 Series: 1 x PCIe 4.0 x8/x4, 1 x PCIe 4.0 x4 |
| Storage | 4 x SATA III 3 x M.2 Slots: Ryzen 9000 & 7000: 1 x PCIe 5.0 x4 Ryzen 8000: 1 x PCIe 4.0 x4 Chipset: 2 x PCIe 4.0 x4/x2 |
| RAID Support | RAID 0, 1, 10 for SATA & M.2 NVMe (RAID 10 requires expansion card) |
| LAN | Realtek 2.5Gb LAN |
| Wireless | Wi-Fi 6E (802.11axe), Bluetooth 5.2, Dual-Band 2×2, MU-MIMO |
| Audio | Realtek ALC897 7.1 CH HD Audio, Nahimic Audio |
| Rear USB Ports | 1 x USB 3.2 Gen2 Type-C (10Gbps) 1 x USB 3.2 Gen2 Type-A (10Gbps) 2 x USB 3.2 Gen1 Type-A (5Gbps) 4 x USB 2.0 |
| Front USB Ports | 1 x USB 3.2 Gen1 Type-C (5Gbps) 4 x USB 3.2 Gen1 Type-A (5Gbps) 4 x USB 2.0 |
| Back Panel I/O | 2 x Antenna Ports 1 x HDMI 1 x Display Port 1.4 1 x USB 3.2 Gen2 Type-A 1 x USB 3.2 Gen2 Type-C 2 x USB 3.2 Gen1 4 x USB 2.0 1 x RJ-45 LAN 1 x BIOS Flashback Button HD Audio Jacks |
| Internal I/O | 1 x SPI TPM Header 1 x Power LED & Speaker Header 1 x RGB Header 3 x Addressable RGB Headers 2 x CPU Fan Connectors 3 x Chassis Fan Connectors 1 x 24-pin ATX Power 1 x 8-pin + 1 x 4-pin 12V Power 1 x Front Audio Header 2 x USB 2.0 Headers 2 x USB 3.2 Gen1 Headers 1 x USB 3.2 Gen1 Type-C (Front Panel) |
| Accessories | 2 x SATA Data Cables, 2 x WiFi Antennas |
| Special Features | BIOS Flashback, M.2 Bottom Heatsink, Pre-Installed IO Shield, Auto Driver Installer, Polychrome RGB & SignalRGB Support, Nahimic Audio Suite, Aluminum Heatsinks & 6-Layer PCB, DDR5 XMP & EXPO Support |
| Package Type | Retail |
| Package Weight | 1.4 kg |
| Warranty | 3 Year Replacement |
