Case Type 4U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon Scalable , Maximum number of CPUs 2 , 1xPCI-Express 3.0 8x , 9xPCI-Express 3.0 16x , 1x15pin D-sub , 5xRJ45 , Memory type DDR4 , Frequency speed 2933/2667/2400/2133 MHz , Memory features RDIMM/LRDIMM , Memory slots 24 , PSU Redundant-Power-Capable , PSU Output Power 1600 Watts , 12x3.5" SAS/SATA Hot-swap , GPU quantity 8 , Cooling & Ventilation System 6 x 60x60x76mm (21,700rpm) , Included Accessories RAIL kit2x CPU Heatsinks