Sapphire R9-290X 4G GDDR5 WITH BF4

Specification
Radeon R9 290 
- GPU: Hawaii Pro 
- Litecoin Hash Rate: 800-950 
- Stream Processors: 2560 
- Core Speed: 1000MHz 
- Memory Speed: 5200Mhz 
- Memory interface: 512-Bit 
- Memory capacity: 4096MB GDDR5 
- PCI-Express X16 lane required 
- 600W or greater PSU required 
- Power Connectors: 8-pin + 6-pin required 
- Display Outputs: 2x Dual Link DVI, 1x HDMI, 1x DisplayPort