Amazon.com: ASUS ROG Swift PG32UQ 32” 4K HDR 144Hz DSC HDMI 2.1 Gaming Monitor, UHD (3840 x 2160), IPS, 1ms, G-SYNC Compatible, Extreme Low Motion Blur Sync, Eye Care, DisplayPort, USB, DisplayHDR 600 : Electronics
Amazon.com: GIGABYTE M32U 32" 144Hz 4K FreeSync Compatible Gaming Monitor, SS IPS, 3840x2160 Display, 1ms Response Time (MPRT), 1x Display Port 1.4, 2x HDMI 2.1, 3x USB 3.0, 1x USB Type C : Electronics
HDMI 2.1 Monitor
Acer Nitro XV282K KVbmiipruzx 28" UHD (3840 x 2160) Agile-Splendor IPS Gaming Monitor | AMD FreeSync Premium | 144Hz | 1ms | TUV/Eyesafe | 1 x Display Port 1.2, 2 x HDMI 2.1 & 4 x USB Ports - PC Maestro
This 4K 144Hz HDMI 2.1 monitor is down to £450 after a £150 discount | Rock Paper Shotgun