Graphic Engine NVIDIA® GeForce GTX 1660 Ti Bus Standard PCI Express 3.0 OpenGL OpenGL®4.6 Video Memory 6GB GDDR6 Engine Clock OC mode : 1845 MHz (Boost Clock) Gaming mode : 1815 MHz (Boost Clock) CUDA Core 1536 Memory Speed 12 Gbps Memory Interface 192-bit Resolution Digital Max Resolution 7680 x 4320 Interface Yes x 1 (Native DVI-D) Yes x 2 (Native HDMI 2.0b) Yes x 1 (Native DisplayPort 1.4a) HDCP Support Yes (2.2) Maximum Display Support 4 NVlink/ Crossfire Support No Dimensions 206 x 124 x 46 mm Recommended PSU 450W Power Connectors 1 x 8-pin Slot 2.3 Slot