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Pro Sharp pictures
On this monitor, the pictures appear incredibly sharp thanks to the enormously high pixel density of the LG 27MD5KA-B. The monitor's pixel density measures at 217.57 pixels per inch which corresponds even to the high standards of the Apple's Retina displays.
Pro Can power laptop
The LG 27MD5KA-B does have enough juice to power a laptop through its Thunderbolt3 compatible USB-C port. Through a single cable, the monitor can receive a video signal from a 2018's MacBook Pro, power it, and work as a USB hub.
Con Lacks HDMI and DisplayPort
The only way to connect external hardware to this monitor is to use one of its USB-C ports.