GeForce GTX 660 on PCIe 2.0?

Gatortribe

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Sep 24, 2012
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I know that 3.0 and 2.0 are backwards compatible, but would this hurt the performance of the card in any major way? (Paired with FX-8120). If so, would it be bad enough where I would have to bite the bullet and go for an i5-3470? Thanks for your insight.