Case Type 4U rack , Chipset Intel C624 , Socket S3647 , CPU's Xeon Scalable , Maximum number of CPUs 2 , SAS , SATA 3.0 , 4xPCI-Express 3.0 8x , 3xPCI-Express 3.0 16x , 1x15pin D-sub , 4xUSB 3.0 , 1xCOM , 3xRJ45 , 1xCOM via Header , Memory type DDR4 , Frequency speed 2666/2400/2133 MHz , Memory features RDIMM/LRDIMM/ECC , Memory slots 16 , PSU Output Power 1200 Watts , EATX , 24x3.5" SAS/SATA Hot-swap , Cooling & Ventilation System 3 Hot-swap 8cm redundant PWM cooling fans; 2 Hot-swap 8cm rear exhaust PWM fans;Redundant cooling