With the Corsair AX1200i 1200 Watt Corsair presents a high-end power supply, which scores with an excellent delivery as well as high efficiency. Furhtermore Corsair added a software using which you can monitor the PSU and you can also change different settings."
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