Previously, I posted part 1 and 2 of a 3 part series on how to test your power supply design: measuring efficiency (part 1) and measuring noise (part 2). I covered various noise sources and how to ...

1] Does the PSU fan spin on startup? Some users reported that their Power Supply Unit fan spins on startup but stops after some time. Others reported that the PSU fan does not spin even on startup.

Picking out a PC power supply is a lot more challenging than it might seem at a glance. While there are always plenty of reviews of the best processors and top graphics cards, Power supply units (PSUs ...