Used - Very Good: SAMSUNG U28E590D Black 28" 4K UHD Widescreen LCD/LED Monitor, AMD FreeSync 1ms, 370 cd/m2 DCR Mega Infinity (1000:1), VESA Mountable, HDMI DisplayPort - Newegg.com
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Samsung U28D590D Review | PCMonitors.info
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Buy 28" 4K UHD Monitor | U28E85KRS | Samsung Business UK
Samsung U28E590D Review - An affordable 4k monitor that doesn't disappoint - YouTube
Used - Very Good: SAMSUNG U28E590D Black 28" 4K UHD Widescreen LCD/LED Monitor, AMD FreeSync 1ms, 370 cd/m2 DCR Mega Infinity (1000:1), VESA Mountable, HDMI DisplayPort - Newegg.com