ASRock B850M Pro-A

The ASRock B850M Pro-A is a microATX motherboard measuring 244 x 244 mm, built on the AMD B850 chipset and designed for processors with Socket AM5. The board supports up to 256 GB of DDR5 RAM with frequencies of 8000+ MHz, distributed across four DIMM slots. For graphics card connectivity, it features one PCI Express 5.0 x16 slot with full lanes and one PCI Express x4 slot. Power delivery is managed through one 24-pin motherboard connector and 8-pin and 4-pin CPU power connectors. The board includes five fan headers. The ASRock B850M Pro-A is equipped with three M.2 slots: one supports PCI-E 5.0 x4 and two support PCI-E 4.0 x4. It offers four SATA Revision 3.0 ports with RAID support for levels 0, 1, and 10. The audio subsystem is built around the Realtek ALC897 codec with 7.1-channel sound support and three audio connectors. Network connectivity is handled by the Realtek RTL8125BG controller with 2.5 GbE throughput. Video outputs are provided via HDMI and DisplayPort. The board is equipped with one USB 3.2 Gen 2 Type-C port, one USB 3.2 Gen 2 Type-A port, two USB 3.2 Gen 1 Type-A ports, four USB 2.0 ports, two internal USB 3.2 Gen 1 headers (for four ports), one internal USB 3.2 Gen 1 Type-C header, and two USB 2.0 headers (for four ports). The design includes M.2 SSD heatsinks and reinforced PCI-E slots. The ASRock B850M Pro-A is intended for systems with a single graphics adapter, multiple storage drives, and expandability through extension ports. The board enables a stable platform with extensive connectivity options and efficient cooling, making it suitable for performance-focused workstation configurations with emphasis on storage capacity.