For those of you that have been struggling to find a power supply that actually works for your console well your in luck. If you have a Serial number thats used you can buy a power supply from Microsoft for $35 using the serial.
proof: Click Here
REQUIRES A REAL LEGIT CARD Gift cards work
Edit: Link for Diamond supply: myservice.xbox.com
proof: Click Here
REQUIRES A REAL LEGIT CARD Gift cards work
Edit: Link for Diamond supply: myservice.xbox.com