- Power Supply – This is the device that produces the power for your computer. Unfortunately, this is almost always the noisiest part your computer includes. It usually contains one or two fans which are used to cool the device down. Fortunately, with today’s technology, you can now buy power supplies which only use their fans when the temperature reaches a set point. This will both reduce noise, and save energy.
- Case Fans – The reasons for having case fans are obvious, to create proper airflow. Unfortunately, for some computers, they’re only there to create obnoxious noise. If your computer is mainly used for documents, internet, and e-mail, chances are you don’t need more than one case fan. A system used for the latest computer games on the other hand, will need proper airflow to bring internal temperatures down to a safe operating level.
- Disk Drives – If this is your noise issue, there isn’t too much you can do, except invest in a CD or DVD drive known for being a quieter model, or insert acoustic padding around them. If you’re having issues with floppy drive noises, I’ll just tell you now, you’re way behind in technology. A memory card reader is far faster, and is completely silent.
- Hard Drives – Hard drive noises are often difficult to suppress as well. The common hard drive noises are heard when the device is in use, opening a program, installing software, etc. Often the noises are the vibrations between your hard drive, and your hard drives mount. Cushioning your device with padding like silica gel can often reduce some of the noise. If you’re hard drive is making unusual and highly noticeable noises while not in use, there’s a chance it could be failing. Please consult a service technician if this is the case.
- Computer Case – This is often forgotten about. There are many types of cases engineered in all sorts of ways. You can even purchase a case with sound padding materials included in it. Consider the material of the case itself. An aluminum case can by flimsy, and can increase noise levels from its vibrations. A steel case however, is more solid, and is less prone to creating vibrations. The down side of a steel case would be its weight. Whichever case you decide to use, adding acoustic sound padding, silica gel, and foam blocks, will significantly reduce vibrations.
Building a quiet pc isn’t for everyone. If you own a brand name computer, you’ll likely have a hard time following the tips shown above. Modifications to a brand name computer could potentially void a warranty. I would suggest researching this first before using my tips. You must also remember that your computer must run at safe operating temperature to avoid any device malfunctions, or even failure. Testing and research is always recommended.