Case Type 2U rack , Chipset Intel C622 , Socket S3647 , Maximum number of CPUs 1 , Serial , SATA 3.0 , 5xPCI-Express 3.0 8x , 1xM.2 , 1x15pin D-sub , 2xUSB 2.0 , 2xUSB 3.0 , 1xCOM , 3xRJ45 , 1xCOM via Header , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory features RDIMM/ECC , Memory slots 6 , PSU Output Power 500 Watts , 8x3.5" SATA Hot-swap , Cooling & Ventilation System 3 Hot-swap 8cm PWM cooling fans , Colour Black