Case Type 1U rack , Chipset Intel C246 , Socket LGA1151 , CPU's Xeon UP , Maximum number of CPUs 1 , SATA 3.0 , 1xPCI-Express 3.0 16x , 2xM.2 , 1x15pin D-sub , 2xUSB 2.0 , 2xUSB 3.1 , 3xRJ45 , 1xCOM via Header , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory features UDIMM/ECC , Memory slots 4 , PSU Redundant-Power-Capable , PSU Output Power 400 Watts , MicroATX , 4x3.5" SATA Hot-swap , Cooling & Ventilation System 4x 40x28mm PWM fans , Included Accessories Heatsink SNK-P0049PRail Set