I bought a Pci e 3.0 Graphics card with a PCI e 2.0 MOBO?

xero99

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Aug 25, 2013
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I bought the r9 270x which use PCI e 3.0 but the MOBO i bought (ASUS M5A97 R2.0) only has PCI e 2.0. Will this decrease performance or have any other issues?