ASRock - EPC621D6U

Supports 2nd Gen. Intel Xeon Scalable Processors / Intel Xeon Scalable Processors Supports 6 Channel, DDR4 2933/2666/2400/2133 RDIMM/LR DIMM, Intel Optane™ DC Persistent Memory in memory mode (Cascade Lake only), 8 dimm slots IntelC621：12 x SATA3 ( 12 port from 3 mini SAS HD, 1x SATA DOM, 1 SATA 7pin, 1 x M.2 Supports dual 10GBase-T by Intel X550-BT2 Supports 2 x PCIe 3.0 x16 4 x USB 3.0 ports (2 ports in Rear side, 2 ports internal header) +1 Type A USB 3.0