I have never heard anything good about this card. Seems putting two in a Macintosh would be negative coefficient.
Seems it is an excellent machine for Windows but the confusion over drivers and Lion's OS-level integration of NVIDIA and CUDA (whatever that is) don't work well with Adobe's hooks into the cards. Also, each of the three players is pointing at the other two although Apple, of course, is typically silent.
So what are my options for GPU Acceleration on the Mac?...
- GeForce GTX 285 - Cost: $249 PCI Express 2.0 CUDA cores:240 Low price concerns me, old card, pretty hard to find, only works on older Mac Pros (08,09)
- Quadro CX - Cost $2000 CUDA cores:192 Too expensive
- Quadro FX 4800 ("Previous generation" according to Nvidia) CUDA cores:192Discontinued
- Quadro 4000 for Mac ("High end" and "new" according to Nvidia) 256 Cuda cores (This was recommended in Lynda.com training video)
This is sort omy only option as a Mac user.
I have no idea what your options for a second card. You give no indication how well the single card performed for you or why you thought it was necessary or even possible to add a second.
I put the question to google and those two links were the best information I could find.
I think you'd be better off searching the user forum for that particualr card or the Apple community for your model Mac and OS combination.
Wish there was more to offer but it could take a few weeks for anyone with a similar configuration to stumble into this forum.
Check the NVidia pages as well. perhaps they provide some Beta driver or special configuration utility that may help.