TechwareLabs has a review of the Sparkle 1250 Watt Modular Power Supply

Not everyone needs 1250 watts of raw electron chugging potential. If you're like us and love to live on the bleeding edge of tech and performance, then it's worth your time to find out how you'll be powering your next build. Do you have a lot of storage, are you planning on buying two or more of the latest video card? If so then you need to think about providing a good power supply for those expensive components.

Sparkle 1250 Watt Modular Power Supply Review