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PCI-E 3.0


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How can I tell if my PCI-E is using 3.0?  I'm running Asus Sabertooth X79, 3930K, 32gb DDR-3 @ 2133 and Asus GTX 680 DC2-4gb.  When I look at bus type it states:  Bus Type PCI Express 2.0 x16 @ 1.1 x16.  Should that state:  PCI-E 3.0?  I have the card in slot 1.

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Certain video adapters use power management tricks that lower PCI-E speeds when the card is at idle.  Try to run a 3D application, and look at the bus speeds while that is running.  Alternatively, you can try using the GPU subtest of the AIDA64 System Stability Test (AIDA64 / main menu / Tools / System Stability Test).




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