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ASROCK B850 PRO-A AM5 ATX Motherboard

ASROCK B850 PRO-A AM5 ATX Motherboard

by ASRock

£145.78

Upgrade your AMD AM5 build with the ASROCK B850 PRO-A motherboard. This ATX board boasts quad-channel DDR5 support, lightning-fast 2.5G LAN, and multiple M.2 slots for ultimate speed and expandability. Perfect for gamers and system builders demanding high performance.

GTIN04711581490185
EAN4711581490185
MPNB850 PRO-A
Prices updated 16 Mar 2026

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Product Description

ASRock B850 PRO-A Motherboard The ASRock B850 PRO-A motherboard is engineered for the discerning PC enthusiast seeking a robust and feature-rich platform for their next build. Whether you're a gamer demanding high frame rates, a content creator needing exceptional bandwidth, or a professional prioritizing stability and reliability, this AM5 motherboard delivers. Benefit from cutting-edge connectivity, superior power delivery, and effortless BIOS updates, all within a sleek and efficient design. Features Supports AMD Socket AM5 Ryzen 9000, 8000, and 7000 Series Processors Robust 14+2+1 Phase Power Design with 80A Dr.MOS for exceptional stability and overclocking potential. Quad-channel DDR5 memory support with speeds up to 8000+ (OC). High-speed M.2 slots: One PCIe Gen5 x4, two PCIe Gen4 x4, and one PCIe Gen3 x4 for ultrafast storage. Comprehensive connectivity: Includes 2.5G LAN, multiple USB 3.2 Gen1/2 ports, USB-C (DP-alt mode), and HDMI. Convenient BIOS Flashback for easy firmware updates without needing a CPU or RAM. Advanced cooling solutions including aluminum heatsinks and PWM/DC fan support. Specifications Chipset: AMD B850 Socket: AM5 Form Factor: ATX Memory: 4 x DDR5 DIMMs, Dual Channel, up to 8000+ (OC) PCIe Slots: 1 PCIe 5.0 x16, 1 PCIe 4.0 x16 M.2 Slots: 1 Blazing M.2 (PCIe Gen5 x4), 2 Hyper M.2 (PCIe Gen4 x4), 1 Ultra M.2 (PCIe Gen3 x4) SATA: 4 SATA3 USB: 1 USB 3.2 Gen2x2 Type-C (Front), 1 USB 3.2 Gen2 Type-C (Rear), 1 USB 3.2 Gen1 Type-C (Rear), 6 USB 3.2 Gen1 (4 Rear, 2 Front), 9 USB 2.0 (6 Rear, 3 Front) LAN: Realtek 2.5G LAN Audio: Realtek ALC897 7.1 CH HD Audio Codec Video Output: 1 HDMI, 1 USB Type-C (DP-alt) Other Features: BIOS Flashback, Polychrome RGB, SignalRGB support

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