Case Type 1U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon DP , Maximum number of CPUs 2 , SATA , SATA 3.0 , 1xPCI-Express 3.0 8x , 1x15pin D-sub , 2xUSB 2.0 , 3xRJ45 , 1xCOM via Header , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory features RDIMM/LRDIMM/ECC , Memory slots 8 , PSU Output Power 500 Watts , 4x3.5" SATA Hot-swap , Cooling & Ventilation System 4x 4cm 22.5K RPM middle cooling fans , Colour Black