Case Type 1U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon Scalable , Maximum number of CPUs 2 , 2xPCI-Express 3.0 8x , 1xPCI-Express 3.0 16x , 1x15pin D-sub , 4xUSB 3.0 , 1xCOM , 3xRJ45 , Memory type DDR4 , Frequency speed 2933/2667/2400/2133 MHz , Memory features RDIMM/LRDIMM , Memory slots 24 , PSU Redundant-Power-Capable , PSU Output Power 1200 Watts , 3x2.5" Internal , 4x3.5" SAS/SATA Hot-swap , Included Accessories 2 x CPU heatsinks1 x Rail kit