well, i got Asus M4N68T M LE V2 mobo and i THINK it has pcie 1.x(tried asus site dowsnt tell which pcie it is) and im building my rig atm with this mobo came with joblot(phenom II x2 550). so what it is, is that i want to buy good gpu for it and i wanted to buy a sapphire radeon HD 5830 extreme from overclockers.com gor like 85 pounds. but it says its pcie 2.1 and what it is, whther my mobo will work with it cause dont want to spend more money getting new mobo. any ideas thoughs please comment