LG UltraGear 27GR93U-B 27″ 144Hz 4K UHD 1ms HDR400 FreeSync IPS Gaming Monitor – Panel Size: 27″ – Panel Type: IPS – Resolution: 3840×2160 – Aspect Ratio: 16:9 – Refresh Rate: 144Hz – Response Time: 1ms GtG at faster – Brightness: 400cd/m2 – Contrast Ratio: 1000:1 – Displayable Colours: 1.07B – I/O: 2x HDMI 2.1, DisplayPort 1.4, 2x USB-A 3.0, USB Up, 3.5mm Audio – Ergonomics: Tilt/Height/Pivot – VESA: 100x100mm – AMD FreeSync Premium – NVIDIA G-Sync Compatible – VESA DisplayHDR 400 – 27GR93U-B