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INNOCN 27 Inch 4K Monitor Computer UHD 3840 x 2160 LCD IPS Display, HDR400, USB Type C DP HDMI PC Monitor, 1.07B+ Colors, Built-in Speakers, Pivot/Height Adjustable Stand, Black : Amazon.co.uk: Computers
ASUS ProArt 27 Inch 4K Ultra HD LED Monitor 3840x2160 pixels Black/Silver PA279CV - Carlisle Business Supplies
OMEN 27k (27" ) 4K UHD IPS Gaming Monitor, 1ms response / 144Hz refresh - HP Store UK