Having a high-speed PC is every techie's dream. Unfortunately, fast PCs generate significant heat and require ventilation by noisy cooling fans. This can turn your PC pride and joy into a whirring annoyance -- particularly when it's being used during quiet periods or at night.

Some PCs run as noisily as 50db -- that's nearly as loud as an electric toothbrush or a washing machine. As you can imagine, the whine of a dozen cooling fans can distract you during work and diminish your enjoyment when playing music or video on your PC. The last thing you want during a tear-jerking love scene is the click of a hard drive or the whir of a DVD drive.

Read more at: CNET.co.uk - Build the ultimate quiet PC