Graphics Engine: Radeon HD 3870Video Memory: 512MB DDR4Engine Clock: 775 MHzMemory Clock: 2.25GHz (1.125GHz DDR4)Memory Interface: 256-bitDVI Max. Resolution: 2560 * 1600Bus Standard: PCI Express 2.0DVI Output: DVI-IHDCP compliant: YesHDMI Output: Yes, via DVI to HDMI adaptorD-Sub Output: YES, via DVI to D-Sub adaptorHDTV Output :YES, via HDTV Out cableTV Output: YES, via S-Video to CompositeAdaptor/Cable Bundled: DVI-to-D-Sub adapter, HDTV-out cableSoftware Bundled: ASUS Utilities & Driver, Company of Heroes – Opposing Fronts Cooling: Active