Case Type 4U rack , Chipset Intel C621 , Socket S3647 , CPU's Xeon DP , Maximum number of CPUs 2 , SATA , SAS , SATA 3.0 , 2xPCI-Express 3.0 16x , 1x15pin D-sub , 2xUSB 3.0 , 1xRJ45 , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory features LRDIMM/ECC , PSU Output Power 2200 Watts , 6x2.5" SATA Hot-swap , Cooling & Ventilation System 3x 4cm 20k RPM middle fans , Colour Black