Pentium d 820, OC'ed to 3.8, 520 watt power supply, 2gb kingston hyperX Pc6400(800MHz), Nvidea 6800GS OC'ed from 375MHz-425MHz, Zalman VGA cooler, Asus P5WD2-E-premium, Soundblaster X-treme edition, Thermaltake Bigwater SE water cooling system-with additional 5.25 bay radiator.