Chipset GeForce GTX 560 Core Clock 830 MHz Shader Clock 1660 MHz Memory Clock 4008 MHz Process Technology 40 nm Memory Size 1 GB Memory Bus 256 bit Card Bus PCI-E 2.0 Memory Type GDDR5 DirectX 11 OpenGL 4.1 PCB Form ATX Digital max resolution 2560 x 1600 Analog max resolution 2048 x 1536 Multi-view 2 Tools N/A I/O HDMI*1 (by adapter) DisplayPort* (by adapter) mini HDMI*1 mini DisplayPort* DVI-I*2 DVI-D* D-sub*1 (by adapter) Card size H43 mm x L238 mm x W130 mm