Amazon.com: NVIDIA Quadro 6000 by PNY 6GB GDDR5 PCI Express Gen 2 x16 DVI-I DL Dual DisplayPort and Stereo OpenGL, DirectX, CUDA, and OpenCL Profesional Graphics Board, VCQ6000-PB : Electronics
Amazon.com: NVIDIA Quadro 4000 for Mac by PNY 2GB GDDR5 PCI Express Gen 2 x16 DVI-I DL, DisplayPort and Stereo OpenGL, DirectX (Boot Camp), CUDA and OpenCL Profesional Graphics Board, VCQ4000MAC-PB :