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PCIe 3.0 and 2.0 Crossfire 7970s

  • Asus
  • Graphics Cards
  • Crossfire
  • Motherboards
  • Graphics
Last response: in Graphics Cards
November 9, 2013 5:57:01 PM

Hi Guys,

I currently have one HD7970 OC and was looking at the possibility of putting another one in my system. My mobo is an Asus P8Z77-V LX.

Will I be able to x fire two of these cards on that mobo? There is one PCIE 3.0 and one PCIE 2.0. Not sure if that would make a difference?

More about : pcie crossfire 7970s

a c 993 U Graphics card
a c 382 V Motherboard
a c 138 Ĉ ASUS
November 9, 2013 5:59:26 PM

Its not the fact that one is 2.0 and 3.0, but rather the 2.0 is in X4 mode. You dont want to crossfire or SLI on anything under X8 mode.