As you Post, theres options to hit F1,F2,F3,F4 etc. Hit the button which says boot preference or similar. -it shouldn't be a problem, but i thought id mention it incase your PC didn't turn on and you worried
All you'll need is a Sata Cable, you should have a spare power port.
Intel Core i5 2500K /-\ 32Gb 1600mhz RAM /-\ Asus P8Z68/GEN 3
2x 256Gb Crucial M4 /-\ Crossfire XFX HD Radeon 7950 Black DD
Sound blaster Z /-\ yourpcperfect.com /-\ Windows 7 Pro