Case Type 1U rack , Chipset Intel C622 , Socket S3647 , CPU's Xeon DP , Maximum number of CPUs 2 , SATA 3.0 , 1xPCI-E , 1xPCI-Express 3.0 8x , 3xPCI-Express 3.0 16x , Frequency speed 2666/2400/2133 MHz , Memory features RDIMM/LRDIMM/ECC , Memory slots 12 , PSU Output Power 750 Watts , Cooling & Ventilation System 4 Counter-rotating 4cm PWM fans, 2 fans for AOC cooling , Colour Black