Asus VG289Q TUF GamingFeatures: Gaming monitor with matte display and HDR Diagonal screen size: 71.12 cm / 28\" Resolution: 3840 x 2160 (4K) Aspect ratio: 16:9 Contrast ratio: 1000:1 Response time: 5 ms Brightness: 350 cd/m2 Maximum viewing angle horizontal / vertical: 178° / 178° AMD FreeSync Speakers: 2 x 2 Watt RMS Stereo Connectivity: DisplayPort 1.2, HDMI 2.0, Dual-Link DVI-D, headphone jack Monitor is tiltable, rotatable, swivel and height adjustable Asus Shadow Boost, Asus GamePlus-Hotkey, Asus GameVisual, FlickerFree-Technologie, Ultra Low Blue Light-Technologie