Chipset GeForce GT 630 PCB Form ATX Core Clock 810 MHz Shader Clock 1620 MHz Memory Clock 1600 MHz Process Technology 40 nm Memory Size 2048MB Memory Bus 128 bit Card Bus PCI-E 2.0 Memory Type DDR3 DirectX 11 OpenGL 4.2 I/O HDMI*1 DVI-I*1 D-sub*1 Digital max resolution 2560 x 1600 Analog max resolution 2048 x 1536 Multi-view 2 Tools N/A Card size 186 mm x 127 mm x 36 mm Power requirement 350W