Will a PCI Express 3.0 GPU work in a PCI Express 2.0 motherboard?

[lwchen]

Specifically,

Will a Radeon 7770 work in a ASRock X58 Extreme? If so am I losing anything significant if I do this?

Thanks

 

[lwchen]

Wow that was like 30 seconds ... must be some kind of record.

Thanks!

 

[lwchen]

Best answer selected by lwchen.