I have already ordered the parts for my new build from newegg.com. After doing this I further researched and learned about rails and amps per rail. Now im questioning my decision on this power supply or if it will work with the video card. I'm on a super tight budget so really would like this to work.
Here are the 2 items in question:
COOLER MASTER eXtreme Power RS550-PCARE3-US 550W ATX12V V2.3 SLI Ready CrossFire Ready Power Supply