It was a pre build Asus with a few upgrades
windows 7 home premium
4x2 Gb ram sticks ASint DDR3 is what is says on them. they came with the computer so im not sure what they are
corsair GS700 replaced about 6 months ago when i put the new gpu in
2 1 Tb HDD Seagate Barracuda
I don't have another psu i went to the website and it said try the paperclip test and it works leds come on and fan spins.