Was this reply helpful? (0) (0) Staff pick Reply Report offensive post Email to friend Permalink 5 years. by R. Proffitt - 11/15/08 6:34 AM In Reply to: What is the Average life of an Average Desktop computer? by CSUjr With care of the usual moving parts such as keeping the fans and vents clean you find the hard disk makers rate their drives at 5 year design life.But a desktop is unlike a laptop