Installing a second ATI Radeon HD 5870 video card to work together in an ATI-crossfire configuration?

If I were to install a second HD Radeon 5870 card, to go with my existing HD 5870 card (using a Y-splitter to get power to both cards from the single pair of PCIe power-plugs), could I get them to work together in an ATI cross-fire configuration?

I'm looking to get twice the GPU power on a single monitor -- not drive two monitors separately. Like what I had with my nVidia SLI setup on my old PC.

Thanks for any help you can provide.
L.

  • Asked by Laurence M from Mableton
  • Feb 20, 2012
ATI Radeon HD 5870 Graphics Upgrade Kit for Mac Pro (Mid 2010 or Early 2009)

ATI Radeon HD 5870 Graphics Upgrade Kit for Mac Pro (Mid 2010 or Early 2009)

Product No Longer Available

2 Answers from the Community

  • Answer

    OS X doesn't support Crossfire so unless you're using it for games in bootcamp there's no point in doing that. That being said it would work in bootcamp however. You'll have to use a fan utility to increase your system fan speeds as you're going to be generating a lot of extra heat running two cards. You can use smcfancontrol in os x then boot windows and the fans will stay at increased speeds. good luck

    • Answered by Karsten A from Rochester
    • Feb 24, 2012
  • Im pretty sure you cannot crossfire graphics cards.

    • Answered by Alex D from Shoreline
    • Feb 20, 2012