Intel Core 2 Duo Processor E6600 2.4GHz 1066MHz 4MB LGA775 CPU
Supermicro PDSME+ or equivalent motherboard
4Gb DDR2-667DIMMs,unbuffered, ECC( Max Capacity 8GB)
Integrated ATI ES1000 Graphics Controller w/16MB Video Memory
2x Single-port Gigabit PCI-Express Ethernet Controllers
DVD CD-RW slim drive
AMCC/3Ware 9650SE-16ML SATA2 Hardware RAID Controller
16 x 500G WD SATA2 16mb cache 7200rpm hard disks
3U Supermicro SC836TQ-R800B chassis with 16 hot-swap bays
and 800w redundant power supplies

Pre-install one of the following OS:
Debian Linux 4.x
Fedora Core 7.X
Redhat Linux
CentOS
Ubuntu
Or others