Graphic Engine NVIDIA® GeForce GTX 1660 Bus Standard PCI Express 3.0 OpenGL OpenGL®4.6 Video Memory 6GB GDDR5 Engine Clock – OC Mode – GPU Boost Clock : 1830 MHz , GPU Base Clock : 1530 MHz – Gaming Mode (Default) – GPU Boost Clock : 1800 MHz , GPU Base Clock : 1500 MHz CUDA Core 1408 Memory Speed 8002 MHz Memory Interface 192-bit Resolution Digital Max Resolution 7680 x 4320 Interface Yes x 1 (Native DVI-D) Yes x 1 (Native HDMI 2.0b) Yes x 1 (Native DisplayPort 1.4) HDCP Support Yes (2.2) Maximum Display Support 3 NVlink/ Crossfire Support No Software ASUS GPU Tweak II & Drivers: please download all software from the support site. Dimensions 6.85 ” x 4.76 ” x 1.54 ” Inch 17.4 x 12.1 x3.9 Centimeter Recommended PSU 450W Power Connectors 1 x 8-pin Slot 2.3 Slot