grizzle said:1 hard drive ,2 cd drives and pci modem i think. i have a 450 watt psu from my old computer which is about 2 months old that i bought when my computer kept on restarting but i didn't install it, the place that fixed the computer did it. i guess i will just use that one. im a newb and dont know how to install a psu thats why i was running from that.