Build a high-performance AMD gaming PC with this ATX AM5 motherboard featuring the AMD B850 chipset and Windows 11 readiness. It supports a wide range of Ryzen 7000, 8000G/F, and 9000 series processors, and delivers serious memory headroom with up to 256GB DDR5 across four slots, including speeds up to DDR5-8000+ (OC). Expansion is ready for powerful GPUs with two PCIe slots (x16 and x4), while storage is next-level with 4x M.2 PCIe slots plus 4x SATA ports. Connectivity is packed: Wi-Fi 6E, Bluetooth 5.2, and fast 2.5GbE LAN. Front and rear USB options include USB-C 10Gbps, plus multiple USB-A ports. RGB and 3x ARGB headers complete the build. Note: BIOS update may be needed for newest CPUs.
ASRock B850 Pro-A WiFi AM5 ATX HDMI/USB-C DDR5
| Type | Mainboard |
| EAN | 4711581490192 |
| Manufacturer No. |
90-MXBQN0-A0UAYZ |
| Socket | AM5 |
| Max. supported CPUs | 1 |
|
Operating System |
|
| Support |
Windows 11 ready |
| Processor | |
| Supported Models |
Ryzen 5 7xxx (Raphael), Ryzen 5 7xxxX (Raphael), Ryzen 5 7xxxF (Raphael), Ryzen 5 7xxxX3D (Raphael), Ryzen 5 8xxxF (Phoenix), Ryzen 5 8xxxG (Phoenix), Ryzen 5 9xxx (Granite Ridge), Ryzen 5 9xxxX (Granite Ridge), Ryzen 7 7xxx (Raphael), Ryzen 7 7xxxX (Raphael), Ryzen 7 7xxxX3D (Raphael), Ryzen 7 8xxxG (Phoenix), Ryzen 7 8xxxF (Phoenix), Ryzen 7 9xxxX (Granite Ridge), Ryzen 7 9xxxX3D (Granite Ridge), Ryzen 9 7xxx (Raphael), Ryzen 9 7xxxX (Raphael), Ryzen 9 7xxxX3D (Raphael), Ryzen Ryzen 9 9xxxX (Granite Ridge), Ryzen 9 9xxxX3D (Granite Ridge) |
| Chipset | AMD B850 |
| Slots | |
| PCIe x16 |
2x (of which: 1x PCIe x16, 1x PCIe x4) |
| BIOS |
256Mb AMI UEFI Legal BIOS |
| Form Factor | ATX |
| Use | PC |
| Power supply |
ATX12V (24-pin + 2x 8-pin) |
| Memory | |
| Maximum | 256 GB |
| Number of sockets | 4x DDR5 |
| Supported Standards |
Up to DDR5-8000+ (OC) |
| Channels | 2 |
| Maximum Memory Ranks | 8 |
| Memory Controller in CPU | Yes |
| External Ports | |
| USB-C 3.2 Gen 2 (10 Gbps) | 1 |
| USB-C 3.2 Gen 1 (5 Gbps) | 1 |
| USB-A 3.2 Gen 1 (5 Gbit/s) | 4 |
| Note: |
The designation USB 3.2 Gen 1 corresponds to the earlier designations USB 3.1 Gen 1 and USB 3.0. |
| USB-A 2.0 | 6 |
| HDMI | 1 |
| Microphone | 1 |
| Line-In | 1 |
| Line-Out | 1 |
| RJ-45 | 1 |
|
Internal Connections |
|
| SATA | 4 |
| M.2 | 4 |
| M.2 Module Key | M |
| M.2 WLAN | 1 |
| M.2 Interface | PCIe |
| M.2 Length | 30 - 80 mm |
| RGB LED Header | 1 |
| Addressable RGB LED Header | 3 |
| Ports (optional) | |
| USB 2.0 | 4 |
| TPM | Yes |
| RGB Standard | RGB LED |
| SATA Controller | AMD B850 |
|
ASMedia ASM1061 |
|
| Directly usable RAID levels | 36535 |
| USB Controller | AMD B850 |
| Onboard Graphics |
The motherboard's graphics ports are only usable when using a CPU with an integrated graphics chip |
| Sound | Realtek ALC897 |
| LAN |
Dragon RTL8125BG 2.5 Gigabit |
|
Wi-Fi 6E, Bluetooth 5.2 |
|
| Note |
To support the latest processor cores, a BIOS update may be required |
| Dimensions |
Width: 244 mm x Height: 305 mm |
| Weight | 1635 g |
