I did have, when the problem started, a NUBWO NPS-010 550w, I tested it via the motherboard 24 pin plug, the readings were to me all over the place, 12v wires were showing anywhere from 11.25 to 12.8, 3.3v were 3.8v, so I replaced it with a NUBWO NPS-030 550w, same thing with far less wiring...