Asus ATI Radeon HD4670 1 GB DDR3 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card EAH4670/DI/1GD3/V2/A Native HDMI port build-in with low-profile Design Radeon HD4670 Engine Clock: 750 MHz 1G of DDR3 memory. Memory Clock: 1.6Ghz MHz. Memory Interface: 128bit DVI / /2nd VGA /HDMI /TV-out /HDTV Support