Graphics Engine: NVIDIA GeForce GTS 450 Bus Standard: PCI Express 2.0 Video Memory: DDR3 1GB Engine Clock: 594 MHz Shader Clock: 1189 MHz Memory Clock: 1600 MHz ( 800 MHz DDR3 ) Memory Interface: 128-bit Resolution: D-Sub Max Resolution: 2048x1536 DVI Max Resolution: 2560x1600 Interface: D-Sub Output : Yes x 1 DVI Output : Yes x 1 (DVI-I) HDMI Output : Yes x 1 HDCP Support : Yes Software: ASUS Utilities & Driver / AIWI software Dimensions: 5.936 " x 4.375 " Inch