Case Type 1U rack , Chipset Intel C246 , Socket LGA1151 , CPU's Xeon , Maximum number of CPUs 1 , SATA , SATA 3.0 , 1xPCI-Express 3.0 16x , 1xM.2 , 1x15pin D-sub , 2xUSB 2.0 , 2xUSB 3.1 , 9xRJ45 , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory slots 4 , PSU Output Power 350 Watts , 2x2.5" Internal , 2x2.5" SATA Hot-swap , Cooling & Ventilation System 4x 40x28mm 4-pin PWM fans (optional: 2 additional fans)