Yes. It will run at the slower data transfer rate of 1.0, but that's not as much of a performance hit as you might think. Usually no more than 10% less than what a full 2.0 motherboard would provide.

Thats because the memory bus to the graphics card is rarely saturated, an never for long. There's a lot of idle time on the buss while the card is busily building 3D graphic models for gaming.

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