HIS 7790 iCooler Turbo 1GB GDDR5 PCI-E DP/2xDVI/HDMI Graphics Cards H779FT1GD With full Microsoft DirectX 11.1 support, the card is ready for next generation DirectX games. Equipped with AMD HD3D technology, you can enjoy a stereo 3D experience in the latest 3D games. Output protected high bit rate 7.1 channel surround sound over HDMI with no additional cables required, heightening the sense of reality! Turbo cards are faster than regular cards! The card is bios-overclocked out of the box with 1075MHz / 6400MHz core clock and memory clock The dual-link DVI port allows you connect to a 30" DVI display up to 2560x1600. Maximum Resolution: 4096x2160 per display (DisplayPort 1.2) PCI Express 3.0 x16 Radeon HD 7790 PCIe Series 1024 MB Memory GDDR5