We usually recommend first replacing the BIG THREE SOURCES of computer noise:
- The Power Supply
- The CPU Fan
- The Case Fan/s
These three parts are usually the noisiest components.
Four
Next, you can evaluate whether the spinning of your Hard Drive is too noisy for you or not. Many hard drives are made quieter nowadays. However, if your hard drive is too noisy, you might consider replacing it with the quietest available, the quiet Western Digital Hard Drives. Or, you can cool your hard drive with Smart Drive Neo Hard Drive Enclosure.
Five, Six
Another component to consider replacing in your computer is your video card fan. Your video card fan can be replaced with a Silent Video Cooler.
Finally
Finally, if you want to further reduce the noise of your computer, you can use sound insulation and dampening techniques. Keep in mind, however, that computer insulation can sometimes cause enough of a rise in computer case temperature to require the addition of a case fan.
Fan vibration isolators and noise dampening quiet computer feet are also great noise dampening touches which work well in unearthing every last source of noise in your quiet computer.