"The ZS Series is the latest mainstream power supply series from OCZ. Available in 550 W, 650 W, and 750 W versions, these models don't come with a modular cabling system. Let's see if the 650 W version is a good buy."
Slow computer got you down? Maybe a hardware upgrade should be in your cards, if so this guide to the Fundamentals of Upgrading a PC is an invaluable read. PCSTATS Tips