NVIDIA Quadro K5000 4GB GDDR5 256-bit PCI Express 2.0 x16 Full Height Video Card with Rear Bracket
Quadro K5000 for Mac, 4GB GDDR5 PCI Express Gen 2 x16, DVI-I DL, DisplayPort, DirectX (Boot Camp), CUDA and OpenCL Profesional Board - Epic IT Service Other Computer Accessories - Newegg.com