If a compact 4K display is on your mind, the 15.6-inch option from UPERFECT is a great place to start because of its portable nature. View at Amazon Our Recommended 4K Monitors for Mac It can achieve a peak brightness of 400 nits and covers 72 percent of the NTSC gamut. The device features four HDMI 2.0 ports, a Type-C connection, and a DisplayPort for your viewing needs. This 42.5-inch 4K screen is the perfect option to consider for your home desk setup if you prefer having a monitor to use as a reference or perhaps have multiple devices connected.