Case Type 2U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon Scalable , Maximum number of CPUs 2 , 4xPCI-Express 3.0 8x , 3xPCI-Express 3.0 16x , 1x15pin D-sub , 41xUSB 3.0 , 1xCOM , 3xRJ45 , Memory type DDR4 , Memory features RDIMM/LRDIMM , Memory slots 24 , PSU Redundant-Power-Capable , PSU Output Power 1200 Watts , 2x2.5" SAS/SATA Hot-swap , 12x3.5" SAS/SATA Hot-swap , GPU quantity 2 , Cooling & Ventilation System 4 x 80x80x38mm (16'300rpm), 2-ball , Included Accessories 2 x CPU heatsinks1 x Rail kit