- The fact that it has 2 GB of VRAM doesn't mean squat. You can't run X-Plane 10 at all.Save your money unless you need it for a specific purpose
- Works as advertised. I needed it for use of DaVinci Resolve software, a professional color correction program that relies on the off CPU image processing this card provides.But be warned...NVIDIA has still not created a LION driver for mac users that will work for this card, so to use it you must be running Snow Leopard. I just threw another hard drive in my Mac Pro and created a different "world'" to boot into that featured the obsolete OS to make NVIDIA happy! But, that's an advanced extreme move that some may not be able/have luck with/ have patience ....to do.I have installed three of these cards in the last few months, and all worked fine on inital boots. No problems so far. (Longest…
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 Best Price !! Best Deals !!

Product Features- Chipset: Quadro 4000 Video Memory: 2GB DDR5
- Memory Interface: 256-bit Bus: PCI-Express 2.0 x16 RAMDAC: 400 MHz
- Stream Processors units: 256 Memory Bandwidth: 89.6 GB/s
- Max. Resolution: 2560 x 1600 Connectors: DVI-I; DisplayPort Thermal: Fansink
- Support Microsoft Windows XP/ Vista/ 7/ Mac OS X 10.6.5 or later with MacPro3,1, MacPro4,1 or MacPro5,1 or later
- Support HDCP - High-bandwidth Digital Content Protection
- Support Microsoft DirectX 11, Shader Model 5.0 and OpenGL 4.0 Maximum Power Consumption: 142W
- Support nVidia CUDA Architecture Support nVidia 3D Stereo Technology