The highest resolution of the iiyama B2888UHSU is 3840 x 2160. That's over four times the resolution of the most frequently found supported graphics resolutions of 1920 x 1080 (HD 1080) (which is also found on this LCD screen). In addition, this PC display has a supported graphics resolutions of 2560 x 1440.
This PC screen's resolution (3840 x 2160) is actually the best resolution across all comparable spec flatpanel monitors that have been around for around the same time as the B2888UHSU.
The worst resolution amongst comparable types of PC screen is 640 x 350.