Radeon HD best 7950 Mav Edition Graphics Card

Product Name: Radeon HD best 7950 Mav Edition Graphics Card
The Sapphire Radeon HD 7950 MAC Edition 3GB DDR5 HDMI/DVI-I/Dual Mini DP PCI-Express Graphics Card is compatible with Mac Pro 2010 or later (with available PCI-E x 16 slot) systems running Mac OS X® 10.7.5(Lion) / 10.8.2(Mountain Lion) or later. - Supports Dual Firmware: Via Firmware switch controller, Sapphire HD 7950 MAC Edition supports - Mac OS X/Windows under non-UEFI compliant mode, or Windows under UEFI hybrid firmware enabled. - 800 MHz core speed - 5000 MHz Effective memory speed - 384-bit GDDR5 memory interface - Open GL 4.2 Support - AMD HD3D Technology - Display Port 1.2 Card came with my Mid-2010 Mac Pro Tower, there is no box, but comes with cables best.