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