TechwareLabs has published a review of the Corsair HX620W Power Supply
A quote from the article:
>> Corsair HX620W Power Supply Review
Corsair delivers some of the most reliable power supplies in the industry and has a reputation for crafting high quality products as well. We test their mid range HX620W which is capable of churning out 620W for your rig. Does the HX620W deliver for us? Read Justin's review to find out.
>> Corsair HX620W Power Supply Review