Case Type 4U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon Scalable , Maximum number of CPUs 2 , 3xPCI-Express 3.0 16x , 1x15pin D-sub , 2xUSB 2.0 , 2xUSB 3.0 , 2xSFP+ , 3xRJ45 , Memory type DDR4 , Frequency speed 2933/2667/2400/2133 MHz , Memory features RDIMM/LRDIMM , Memory slots 16 , PSU Redundant-Power-Capable , PSU Output Power 1600 Watts , 2x2.5" SAS/SATA Hot-swap , 6x2.5" NVME/SATA/SAS Hot-swap , 60x3.5" SAS/SATA Hot-swap , Cooling & Ventilation System 8 x 80x80x38mm (11,000rpm) 2 x 60x60x38mm (21,700rpm) 1 x 40x40x28mm (26,000rpm) , Included Accessories 2 x CPU heatsinks1 x Rail kit