XFX AMD Radeon HD 7970 Black Edition 3GB GDDR5 2DVI/HDMI/2Mini DisplayPorts PCI-Express Graphics Cards FX797ATDBC;FX-797A-TDBC Chipset: AMD Radeon HD 7970 Engine Clock: 1000 MHz Video Memory: 3GB GDDR5 Memory Interface: 384-bit Bus: PCI-Express 3.0 x16 Max. Resolution: 4096 x 3112 Connectors: DVI-I, DVI-D, HDMI, 2x Mini DisplayPorts; 500W Minimum System Power Supply Requirement