Case Type 1U rack , Socket SP3 , CPU's AMD EPYC , Maximum number of CPUs 2 , 2xPCI-Express 8x , 2xPCI-Express 16x , 1x15pin D-sub , 3xUSB 3.0 , Memory type DDR4 , Frequency speed 3200/2666 MHz , Memory slots 32 , PSU Output Power 1000 Watts , 4x3.5" SATA Hot-swap , Cooling & Ventilation System 8 heavy-duty PWM fans with optimal fan speed control