Single Socket P+ (LGA 4189), Intel C621A, 8 DIMM slots, DDR4 288-pin, 4 PCIe4.0 x16, Micro-ATX
Asrock SPC621D8U-2T, Intel, LGA 4189, Intel® Xeon®, DDR4-SDRAM, DIMM, 1.2 V
Asrock SPC621D8U-2T. Processor manufacturer: Intel, Processor socket: LGA 4189, Compatible processor series: Intel® Xeon®. Supported memory types: DDR4-SDRAM, Memory slots type: DIMM, Memory voltage: 1.2 V. Supported storage drive interfaces: M.2, SATA III, RAID levels: 0, 1, 5, 10. On-board graphics card model: Aspeed AST2500. LAN controller: Intel X710-AT2, Realtek RTL8211E