XFX ATI Radeon HD6670 1GB DDR3 2DVI/Mini HDMI PCI-Express Video Card Chipset: Radeon HD6670 Engine Clock: 800 MHz Video Memory: 1GB DDR3 Memory Clock: 1600 MHz Memory Interface: 128-bit Bus: PCI-Express 2.1 x16 Max. Resolution: 2560 x 1600 Connectors: Dual DVI, Mini HDMI