Acer's latest gaming monitors include its first with HDMI 2.1 - The Verge
Gigabyte's 4K 120Hz HDMI 2.1 monitor is discounted at Newegg | Rock Paper Shotgun
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:
LG UltraGear™ 4K 27" Gaming Monitor - 27GP950-B | LG UK
ROG Strix XG43UQ | Monitors | ROG United Kingdom
VICRATION HDMI 2.1 Cable 2m,Ultra High Speed 48gps Braided hdmi Cable VRR/ALLM/QFT 8K@60Hz,4K@120Hz,Dynamic HDR hdmi to hdmi Cable with Dolby Atmos,PS5/4,xbox series x Laptop to Monitor,tv: Amazon.co.uk: Electronics & Photo
Hdmi 2.1 Monitor Deals - Laptops Direct
Ugreen HDMI 2.1 Switch 4K@120Hz 8K@60Hz Switcher 2 In 1 for PS5 Xbox Series PC | eBay