Depends on your motherboard model whether or not your have 3.0. Also, it shouldn't matter as the cards are backward compatible with 2.0 and 1.1 slots. With a single card, have a 2.0 board shouldn't have a large impact on performance vs. a 3.0 board.
Depends on your motherboard model whether or not your have 3.0. Also, it shouldn't matter as the cards are backward compatible with 2.0 and 1.1 slots. With a single card, have a 2.0 board shouldn't have a large impact on performance vs. a 3.0 board.