HP ProLiant DL360 G6 1U 64-bit Server with 2xQuad-Core X5550 Xeon 2.66GHz + 16GB RAM + 4x146GB 10K SAS HDD, RAID, NO OS 2 x 2.67Ghz X5550 Quad Core 4 x 4GB PC3-10600R 4 x 146GB 10k SAS 2.5" 2 x 460W Gold PSU P410 256MB -- Not Included - Rails, DVD, OS