| Brand |
ASRock |
| Model |
B850 Pro-A |
| MPN |
90-MXBQM0-A0UAYZ |
| EAN |
4711581490185 |
| CPU Socket |
AMD AM5 |
| CPU Support |
AMD Ryzen 9000, Ryzen 8000 and Ryzen 7000 Series processors |
| Chipset |
AMD B850 |
| Memory |
4x DDR5 DIMM, up to 256GB, up to DDR5 8000+ OC |
| Power Design |
14+2+1 phase power design, 80A Dr.MOS for VCore+SOC+MISC |
| Expansion Slots |
1x PCIe 5.0 x16 slot + 1x PCIe 4.0 x16 slot running at x4 |
| M.2 Storage |
1x PCIe Gen5x4 M.2 + 2x PCIe Gen4x4 M.2 + 1x PCIe Gen3x4 M.2 |
| SATA |
4x SATA3 6.0Gb/s connectors |
| LAN |
Realtek 2.5G LAN |
| Wireless |
Not included, M.2 Key E slot available for compatible Wi-Fi/BT module |
| Audio |
Realtek ALC897 7.1-channel HD audio |
| Display Outputs |
1x HDMI 2.1 + 1x USB-C DP-alt mode, CPU graphics required |
| Rear USB |
1x USB-C 3.2 Gen2, 1x USB-C 3.2 Gen1, 4x USB-A 3.2 Gen1, 6x USB 2.0 |
| Form Factor |
ATX, 30.5cm x 24.4cm |