If one studies power supplies to much you computer world gets way to foggy. A simple get it done method works for me. Now I can get to the hard to figure out things. CPU'S, Motherboards, Ram, Video cards. Towers that look good with lots of room and air flow ect. Fans oooh their are hundreds of them out their. It took me many of hours for many weeks to come up with the combination I selected. Once every thing came in I still didn't know if I chose the proper combination. After two RMA on the motherboard everything came together. I'm happy. Do I have more power supply than I need, yes but I could go SLI with no problems. That's a thought. Na maybe later. Everything in your computer starts with a quality power supply so it's no place to save money. I don't want to hear you got a $300.00 video card and an $49.00 power supply. Please help blue screen. Okay it's time for more coffee and medication.