Ars Reviews the Quadro 4000 Mac Edition: NVIDIA's sole Mac offering a promising start | Ars Technica
Review: Nvidia Quadro 4000 for the Mac Pro - Terry White's Tech Blog
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 :