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Will PCI-E 3.0 card work on my Asus M4A78-E PCI-E 2.0 x16 Motherboard ?

My recent GPU is GeForce 9800GTX+ 512mb/256bit running on a Asus M4A78-E PCI-E 2.0 x16 and i want to upgrade it with a GTX 760 PCI-E 3.0 2GB/256bit or an AMD 7870 PCI-E 3.0 2GB/256bit .
Are the cards that I've chosen compatible with the PCI-E 2.0 16x slot ?
Will there be any loss or difference in performance ?
4 answers Last reply Best Answer
More about pci card work asus m4a78 pci x16 motherboard
  1. Yes, it will work. That card will run at 2.0 speed.
  2. Best answer
    Yeah, it will work just fine, PCI-e 3.0 is fully backwards compatible to PCI-e 2.0, a 16x PCI-e 2.0 slot has sufficient bandwidth that you won't lose performance at all either.
  3. Either will work, PCI-E is backwards compatible on the board and card meaning a PCI-E 2.0 card will work on a PCI-E 3.0 board and vice versa.
  4. I owe you ! Thanks a lot ! :)
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