SAPPHIRE HD 7770 GHz Edition OC 1GB GDDR5

Bought it to make a hackintosh pc but bought another card better than this.
Never used it... warranty left 20 months....

Specification:
Display Support 4 x Maximum Display Monitor(s) support
Output 1 x Dual-Link DVI
1 x HDMI (with 3D)
2 x Mini-DisplayPort
GPU 1150 MHz Core Clock
28 nm Chip
640 x Stream Processors
Video Memory 1024 MB Size
128 -bit GDDR5
5000 MHz Effective
Dimension 210(L)x110(W)x43(H) mm Size.
Software Driver CD
Accessory DVI to VGA Adapter
6 PIN to 4 PIN Power Cable