Graphics Engine: NVIDIA GeForce GTX 560 Bus Standard: PCI Express 2.0 Video Memory: GDDR5 1GB Engine Clock: 850 MHz CUDA Core: 336 Shader Clock: 1700 MHz Memory Clock: 4200 MHz ( 1050 MHz GDDR5 ) Memory Interface: 256-bit Resolution: D-Sub Max Resolution: 2048x1536 DVI Max Resolution: 2560x1600 Interface: D-Sub Output : Yes x 1 (via DVI to D-Sub adaptor x 1) DVI Output : Yes x 2 (DVI-I) HDMI Output : Yes x 1 (via Mini HDMI to HDMI adaptor x 1) HDCP Support : Yes Software: ASUS Utilities & Driver Dimensions: 9 " x 4.4 " Inch