Super Micro SuperServer 6015T-INF Quad Xeon Quad-Core E5440 2.83GHz 32GB 2x250GB 1U Twin Server w/Quad Gigabit LAN - No Operating System Super Micro SuperServer 6015T-INF Quad Xeon 2.83 GHz 1U Twin Server General Features: No Operating System! 1U Twin rack height form factor Two (2) Servers boards in one chassis Four (4) Intel Xeon E5440 2.83 GHz quad-core processors 1333 MHz FSB Speed, 12 MB L2 cache Intel 5000P (Blackford) chipset 32 GB DDR2 ECC ECC Fully Buffered (FB DIMM) RAM (Supports up to 32 GB)