Cant use GTX285 on a PCI1.0 2,1 box..so..

Accelerated Computing CUDA CUDA Programming and Performance
1

Whats the fastest set of CUDA cards I can use on a MacPro2,1 system?

2

Keep your eyes on the mac Pro topics at forums.macrumors.com - the loading of a 285 in some form onto a pre 08 Pro is under discussion right now in the various 285 threads.