Amazon.com: 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 :
Quadro FX 4800 490566-003 Nvidia FX4800 1.5GB PCI-EXPRESS Graphics Video Card 536796-001 PCI-EXPRESS Video Cards GPUs / Video Graphics Cards - Newegg.com