Case Type 4U rack , Chipset Intel C612 Express , Socket S3647 , CPU's Xeon DP , Maximum number of CPUs 2 , USB 2.0 , USB 3.0 , SATA 3.0 , 1xPCI-Express 3.0 4x , 6xPCI-Express 3.0 16x , 1x15pin D-sub , 2xUSB 2.0 , 3xUSB 3.0 , 1xCOM , 3xRJ45 , 1xCOM via Header , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory features RDIMM/LRDIMM/ECC , Memory slots 16 , PSU Output Power 2200 Watts , 8x3.5" SATA Hot-swap , Cooling & Ventilation System 4 Heavy duty fans , 4 Rear exhaust fans , Colour Dark Grey