Case Type 5U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon Scalable , Maximum number of CPUs 2 , 2xPCI-Express 3.0 8x , 5xPCI-Express 3.0 16x , 1xM.2 , 4xUSB 2.0 , 8xUSB 3.1 , 1xCOM , 1xPS/2 , 1xMicrophone jack 3.5mm , 1xHeadphones jack , 2xRJ45 , Memory type DDR4 , Memory features RDIMM/LRDIMM , Memory slots 12 , PSU Redundant-Power-Capable , PSU Output Power 800 Watts , 3x3.5" SATA Hot-swap