Asrock B850 Pro‑A WiFi AM5 ATX Motherboard – DDR5, PCIe 5.0, Wi‑Fi 6E, 2.5GbE
Asrock B850 Pro‑A WiFi DDR5 ATX Board
Build a next‑generation AM5 system with the ASRock B850 Pro‑A WiFi, an ATX motherboard engineered for gaming, creators, and performance‑focused desktop builds. Powered by the AMD B850 chipset, it supports Ryzen 7000 / 8000 / 9000 Series processors and delivers fast DDR5 performance with PCIe 5.0 expansion, Wi‑Fi 6E, 2.5GbE LAN, and four high‑speed M.2 slots. Designed with a robust 14+2+1 power phase layout, extended VRM heatsinks, BIOS Flashback, and Polychrome RGB, the B850 Pro‑A WiFi ensures stable operation, efficient cooling, and long‑term reliability for demanding AM5 systems.
With support for DDR5 up to 256GB, PCIe 5.0 GPU compatibility, 4× SATA ports, and modern rear I/O including USB Type‑C, HDMI, and Wi‑Fi 6E antenna connectors, this board provides a strong foundation for gaming rigs, productivity systems, and workstation‑grade builds. ASRock’s EZ‑Update tools, RGB/ARGB headers, and extensive internal connectivity make installation and tuning simple for system integrators and enthusiasts.
Specifications
Type: ATX Motherboard
Brand: ASRock
Model: B850 Pro‑A WiFi
Chipset: AMD B850
CPU Socket: AM5
Supported CPUs: Ryzen 7000 / 8000 / 9000 Series (with integrated graphics for display output)
RAM Type: DDR5 (Dual Channel)
RAM Slots: 4 × 288‑pin
RAM Speed Support: Up to DDR5‑8000+ (O.C.)
Max Memory: 256GB
PCIe Slots: 1 × PCIe 5.0 x16 (GPU slot) 1 × PCIe 4.0 x16 (x4 mode) Additional PCIe slots per board layout
M.2 Slots: 1 × PCIe 5.0 x4 2 × PCIe 4.0 x4 1 × PCIe 3.0 x4
LAN: 2.5GbE Ethernet
Wireless: Wi‑Fi 6E
Bluetooth: 5.2
SATA Ports: 4 × SATA 6Gb/s
RAID Support: RAID 0/1/10
Audio Codec: Realtek ALC897
Channels: 7.1‑Channel HD Audio
Video Outputs: HDMI USB‑C DisplayPort (DP‑Alt Mode)
USB Connectivity Rear I/O:
USB 3.2 Gen2
Type‑C USB 3.2 Gen1
Type‑C USB 3.2 Gen1
Type‑A USB 2.0
HDMI 2.5GbE
LAN Wi‑Fi
antenna connectors
Audio jacks
Internal Headers:
USB 3.2 Gen2x2 front‑panel Type‑C header
USB 3.2 Gen1 headers
USB 2.0 headers
RGB and ARGB headers
Front panel connectors
TPM header
Multiple fan headers
AIO pump header
BIOS Flashback Button
Power Connectors: 24‑pin ATX 2 × 8‑pin CPU power
Form Factor: ATX (305 × 244 mm)