LG's UltraGear 48-inch 4K OLED 120Hz Gaming Monitor has three HDMI 2.1 inputs at $897
ROG Strix XG43UQ | Monitors | ROG United Kingdom
Gigabyte S55U 54.6 Inch VA Quantum Dot 4K/UHD (3840 x 2160) 120Hz HDMI 2.1 FreeSync Premium Gaming Monitor - With built-in Netflix, YouTube, Prime Video, Google Play and Google Assistant : Amazon.co.uk: