yes that will work
and stay away from tigerdirect
use newegg.com
express 2.0 is a later standard that 1.0, 1.0 can work in 2.0 slots, 2.0 WILL NOT WORK in 1.0 slots
x16 refers to the lanes
its very technical and if you were A+ cert or you ever read an A+ book you would know
you also wouldnt ask if a card was compatible cuase thats one of the main things they teach you how to do, figure out what will work
you should look into A+, youll see your PC in a whole new light