ASUS STRIX Radeon R9 380 Overclocked 4 GB DDR5 256-bit DisplayPort HDMI 1.4a DVI-D DVI-I Gaming Graphics Card 990 MHz engine clock for outstanding performance and gaming experience. DirectCU II with 0dB fan technology lets you enjoy light games in complete silence, and hardcore gaming 20% cooler with 3X-quieter performance. AUTO-EXTREME Technology with Super Alloy Power II delivers premium quality and best reliability. GPU Tweak II with Xsplit Gamecaster provides intuitive performance tweaking and lets you stream your gamplay instantly. GPU Tweak II with Xsplit Gamecaster provides intuitive performance tweaking and lets you stream your gamplay instantly.