NVIDIA Quadro FX 4800 for Mac by PNY 1.5GB GDDR3 PCI Express Gen 2 x16 DVI-I DL, DisplayPort and Stereo OpenGL, DirectX (Boot Camp), CUDA, and OpenCL Profesional Graphics Board, VCQFX4800MACX16-PB 1.5GB GDDR3 Frame Buffer 384-bit Memory Interface DVI-I DL + DVI-I DL + Stereo Outputs Compatible with Mac OS 10.5.7 or Later and Boot Camp Compatible with Mac Pro 3,1 or 4,1 or later