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