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 2933/2666/2400/2133 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