Intel C621A , LGA4189 , CPU's Xeon Scalable , Maximum number of CPUs 1 , ATX , 3xPCI-Express 3.0 8x , 3xPCI-Express 4.0 8x , 1xPCI-Express 4.0 16x , 1xM.2 , DDR4 , 3200/2933/2666 MHz , Memory features RDIMM/LRDIMM , Memory slots 8 , 1x15pin D-sub , 2xUSB 2.0 , 3xUSB 3.2 , 2xRJ45 , LAN Gigabit , RAID SATA 0, 1, 5, 10 , Included Accessories 2x SATA cable - CBL-0044LI/O shield MCP-260-00130-0N