Corsair is the king of enthusiast grade memory, and now the company is setting its' sights on another important and often unacknowledged component of a modern high end PC - the power supply. The Corsair HX620W power supply is the companies first ever, and this unit certainly has many good things going for it. First off the Corsair HX620W power supply has received nVIDIA SLI and ATi CrossFire certification, so you know it's not a piece of junk. The 620W wattage rating is a sustained value, not peak. Lastly, it comes in a very pretty modular cable design.