Intel C622 , S3647 , CPU's Xeon Scalable , Maximum number of CPUs 1 , ATX , 1xPCI-Express 3.0 4x , 2xPCI-Express 3.0 8x , 2xPCI-Express 3.0 16x , 1xM.2 , DDR4 , 2666/2400/2133/1866/1600 MHz , Memory features RDIMM/LRDIMM/ECC , Memory slots 8 , 1x15pin D-sub , 6xUSB 2.0 , 5xUSB 3.0 , 1xCOM , 2xRJ45 , 1xCOM via Header , USB 2.0 , USB 3.0 , SATA 3.0 , LAN Gigabit , RAID SATA 0, 1, 5, 10