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 , 3xUSB 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 , 8x2.5" SAS/SATA Hot-swap , 2x2.5" NVME/SATA/SAS Hot-swap , Cooling & Ventilation System 8 x 40x40x56mm (23'000rpm) , Included Accessories 2 x CPU heatsinks1 x Rail kit1 x VROC module