Choosing a PSU for your rig was once a relatively simple choice – roughly work out the wattage you'd need for your components and likely future upgrades and then buy whichever best suited your style ...

Testing electrical equipment can be dangerous work. As such, testing of all PSUs is carried out on a conductive mat connected to a safety switch. Breaker switches are also used and, of course, there's ...

So I'm using my multimeter on a PSU of mine that worked fine with my ASRock 939DUAL Sata-II board, but when I upgraded to a board that needed the extra 4 pins of the ATX connector, it suddenly was a ...