IBM System X3750 M4 2u rackmount server. Dual CPUs Xeon E5-4610 8-core 2.3ghz(16 cores total, hyperthreading enabled) 32gb ddr3 ecc 12800r ram, dual 600gb SAS 10k drives(1.2tb total), dual PSU 500 watts. The server has a riser board for extra dual CPUs to be installed. So maximum CPUs supported is 4 CPUs.