ASRock B850M Pro-A AM5 AMD B850 Micro ATX Motherboard

The ASRock B850M Pro-A is a compact Micro ATX motherboard designed for AMD AM5 Ryzen 7000, 8000, and 9000 Series processors, featuring a solid 10+2+1 phase DrMOS power design with 60A stages and enlarged heatsinks for stable operation and moderate overclocking.



It supports dual-channel DDR5 memory up to 256 GB across four DIMM slots with speeds reaching 8000+ MT/s (OC) through EXPO/XMP profiles. Expansion includes one reinforced PCIe 5.0 x16 slot, one PCIe 4.0 x16 (x4 mode), three M.2 slots (one PCIe 5.0 x4 with heatsink, two PCIe 4.0 x4), and four SATA 6Gb/s ports with RAID support.

Connectivity features Realtek 2.5 GbE LAN, Realtek ALC897 7.1-channel audio, USB 3.2 Gen2x2 Type-C (20 Gbps) rear I/O, front USB 3.2 Gen2 Type-C header, HDMI 2.1, DisplayPort 1.4, and Polychrome RGB headers. Additional conveniences such as BIOS FlashBack and a pre-installed I/O shield make the B850M Pro-A an excellent value-driven choice for small-form-factor, high-performance AMD builds.