Lost power supply need one

just get one like the one that went out. id recommend a 600 watt power supply xion.com has good one
make a list or notes if you must or replace one lead at time and make a note of where it goes before you disconnect it '

the reason im recommending a 600 watt is most power supplies are marginal to begin with in my opinion. so getting a higher rated unit allows you to add accessories you might want to adds
i burned up a chief max 600 watt in a month for some reason replaced it with a 425 till i got a new one and bought a 600 watt xion.com power supply the original was 425 watt. i guess i got what i paid for the chief max was only 28 dolara from 3btech.net (a good site to bookmark