Quad-Core Intel® Xeon ® Processor E5506 80W 2.13GHz/800MHz/4MB L3 Number of Processor (std/max) : 1/2 4GB PC3-10600 CL9 ECC DDR3 1333MHz LP RDIMM Hard disk : option, Serveraid BR10il ( support 0,1,1E), Optical Drive : No DVD Rom , No FDD, Matrox G200e integrated in IMM on systemboard / 16MB DDR2-250MHz SDRAM std/max, Dual gigabit 10/100/1000 ethernet /Broadcom® 5709C, Four second-generation PCI-Express x8 slots / convertible via riser(s) to two PCI-E x16 or four 64-bit 133MHz PCI-XPower supply (std/max ) : 675W Hotswap 1/2, No Keyboard, No Mouse, No Monitor