27 QuadHD (1440p) with thin bezel design, the best balance of screen size and resolution for gaming;I/O Ports:Signal Input : HDMI, DisplayPort, Earphone jack : 3.5mm Mini-Jack, USB Port(s) : 3.0x2, 1 x upstream;Breaking the 144Hz Barrier with 165Hz refresh rate for even smoother gaming graphics;IPS Panel displays, GameVisual :6 Modes(Scenery/Racing/Cinema/RTS/RPG/FPS/sRGB Modes);The ROG Swift PG279Q incorporates NVIDIA G-SYNC display technology to deliver the smoothest, fastest, and most breathtaking gaming imaginable