PowerColor ATI Radeon HD6950 1GB DDR5 2DVI/HDMI/2x Mini DisplayPort PCI-Express Video Card AX6950 1GBD5-2DH Chipset: Radeon HD6950 Engine Clock: 800 MHz Video Memory: 1GB DDR5 Memory Clock: 1250 MHz (5.0 Gbps) Memory Interface: 256-bit Bus: PCI-Express 2.1 x16 RAMDAC: 400 MHz Stream Processors: 1408 Max. Resolution: 2560 x 1600 Connectors: Dual DVI, HDMI, 2x Mini DisplayPort