Case Type 2U rack , CPU's AMD EPYC , Maximum number of CPUs 1 , 3xPCI-Express 3.0 8x , 3xPCI-Express 3.0 16x , 1xM.2 , 1x15pin D-sub , 2xUSB 2.0 , 3xUSB 3.0 , 1xCOM , 3xRJ45 , Memory type DDR4 , Frequency speed 2666 MHz , Memory features RDIMM/ECC , Memory slots 8 , PSU Output Power 740 Watts , ATX , 8x3.5" SAS/SATA Hot-swap , Cooling & Ventilation System 3 heavy-duty PWM fans with optimal fan speed control