4GB 256-Bit GDDR5, Boost Clock 1250 MHz, 1 x DL-DVI-D 1 x HDMI 3 x DisplayPort, 2048 Stream Processors, PCI Express 3.0, Form Factor: ATX, Maximum resolution: 4096 x 2160 pixels. DirectX version: 12.0, dual-link DVI, Cooling: Active, Fans: 2 Fan.