Intel C621A , LGA4189 , CPU's Xeon , Maximum number of CPUs 1 , ATX , 3xPCI-Express 4.0 8x , 2xPCI-Express 4.0 16x , 1xM.2 , 2xU.2 , DDR4 , Memory features RDIMM , Memory slots 8 , 1x15pin D-sub , 2xUSB 2.0 , 3xUSB 3.2 , 3xRJ45 , Video , LAN 10 Gigabit , RAID SATA 0, 1, 5, 10