Graphics Engine: ATI Radeon HD 4650 Bus Standard: AGP Video Memory: DDR2 1G Effective Memory Bandwidth: 128-bit Engine Clock: 600 MHz Memory Clock : 800 MHz (400MHz DDR2) CRT Max Resolution: 2048 x 1536 DVI Max Resolution : 2560 x 1600 D-Sub Output: 1x DVI Output: 1x DVI-I HDMI Output: 1x native HDCP Support: Yes