Before You PC Power Supplies
By Mark Kyrnin, About.com Guide
Power supply units (PSUs) are often overlooked when building a computer system. A poor quality PSU can greatly reduce the life span of a good system or cause instability. A high quality PSU can also help reduce the noise or heat generated within a computer system. Whether you are buying one for a new computer or replacing a old unit, here are some tips for purchasing a PSU.