Intel C621 , S3647 , CPU's Xeon Scalable , Maximum number of CPUs 1 , ATX , 1xPCI-Express 3.0 4x , 1xPCI-Express 3.0 8x , 2xPCI-Express 3.0 16x , 1xM.2 , DDR4 , 2667/2400/2133 MHz , Memory features RDIMM/LRDIMM , Memory slots 12 , 1x15pin D-sub , 2xUSB 3.0 , 3xRJ45 , SATA 3.0 , Video 64MB (max.) , RAID SATA 0, 1, 5, 10 , Included Accessories OnBoard ASMB9-iKVM