Like New CLUB 3D AMD Radeon 280X 3GB Mac Pro video card.

PCIe 2.0 Link Speed 5.0 GT/s and Boot screen.

No external Power supply required, and Internal power cable included.

Hardware Compatibility
All Mac Pro 2008 - 2012 Model 3.1, 4.1, 5.1 
- 1 Dual-link DVI Adapters

- 1 HDMI

- 2 Mini Display Ports

Card has been configured and tuned for enhanced compatibility with Mac Pro.

OS Compatibility:
Mac OS X 10.7.5 ~ Current & Windows (Boot camp Supported)

Package contents:
Fully tested 1 x Video Card, 2 x PCIe Power Cable. 

Cards came in with Manufacturer bulk packaging so no retail box. 

If you have any questions or concerns, please don't hesitate to contact us.

We're always happy to help. Thank you!