SAPPHIRE HD7770 OC 1G GD5 BULK

Specification
Output 1 x Dual-Link DVI
1 x HDMI (with 3D)
2 x Mini-DisplayPort
DisplayPort 1.2
GPU 1000 MHz Core Clock
28 nm Chip
640 x Stream Processors
Memory 1024 MB Size
128 -bit GDDR5
4500 MHz Effective
Dimension 210(L)x110(W)x43(H) mm Size.
Software Driver CD
Accessory DVI to VGA Adapter
System Requirements
PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard.
2X75 Watt 6-pin PCI Express power connector is required for CrossFireX™ system.
1X75 Watt 6-pin PCI Express power connector is required.
Certified power supplies are recommended. Please refer to: http://support.amd.com/us/certified/power-supplies/Pages/listing.aspx
1024MBMinimum of system memory.
Installation software requires CD-ROM drive.
DVD playback requires DVD drive.
Blu-ray™ / HD DVD playback requires Blu-ray / HD DVD drive.
For an AMD CrossFireX™ system, a second same AMD Radeon™ graphics card, an AMD CrossFireX™ Ready motherboard and one AMD CrossFireX Bridge Interconnect cable per graphics card (optional) are required.
To support 3 displays, one of the monitors has to support DisplayPort.
450 Watt Power Supply is required.