Dell CS24-SC Dual Xeon Quad-Core L5420 2.5GHz 16GB 4x146GB 15K SAS 1U Server w/Video & Dual Gigabyte LAN - No OS Two (2) Intel Xeon L5420 2.5 GHz quad-core processors, 1333 MHz FSB Speed, 12 MB L2 cache 16 GB DDR2 ECC Registered RAM (supports up to 48 GB) Four (4) 146 GB 15k SAS hard drives 1U rack height form factor, Integrated ASPEED AST2000 graphics, Dual Intel 82567 Gigabit Ethernet controllers, One (1) Intel Pro 1000M Gigabit Ethernet for Baseboard Management Controller (BMC) No Operating System!