Monitor 24MD4KL LG UltraFine 4K Display – connect any Mac device

The LG UltraFine 4K display line of Mac OS compatible monitors has been around for some time and the latest model, the 24MD4KL, is a 23.7-inch 4K Ultra HD 60Hz MONITOR IPS which promises excellent brightness and full coverage of the DCI Box -P3 spectrum. As such, it is leaning firmly towards photographers and cameramen connected to the Apple ecosystem.

In terms of connections, you’ll get two USB Type-C ports with Thunderbolt 3 on the LG UltraFine 4K display. This means that any Mac device, whether it’s a MacBook Air, MacBook Pro or Mac Mini, can connect to the LG UltraFine 4K display and extract 85W power through Thunderbolt 3 ports.cc66d9

This is especially useful for MacBook Pro owners, who typically need to provide one of their four valuable USB-C ports for charging purposes, because it means that power and video are managed by a single connection: you can save money that network adapter.

LG’s 4K UltraFine display 24MD4KL will also allow you to chain another monitor through one of the Thunderbolt ports, so if you really need an extra 4K surface for your creative projects, you can also have it.

LG’s 4K UltraFine display features a height-adjustable support, which can be extended so that the monitor’s chin hovers from 3.26 inches (8.3 cm) to 7.61 inches (19.35 cm) above the desk. You can also tilt the LG UltraFine 4K display about 5 degrees down and 20 degrees upwards.

The action is smooth and safe, making it easy to pull and push the 4K UltraFine LG display to the desired position. If you’re lazy you can almost move it with one hand.If you do not want to use the supplied bracket, and you prefer it to be attached to a wall, a VESA support is included.

As for the ports, there are two USB Type-C with Thunderbolt 3 technology, sitting next to three typical USB Type-C. All of these are lined up on the back right, next to the power outlet for the power cord.

The visual temperature of the color we recorded with the maximum brightness was 7098K, much cooler/blue than the ideal 6500K, which is the closest to accurately simulating the daytime temperature.

Down the brightness to 150 nits and taking a reading from the same spot, we recorded the following space coverage scores:

sRGB 99.6%
Adobe RGB 80.5%
DCI-P3 97.3%14be6bd8aThese are excellent scores, on what you would expect for a monitor that is geared toward creative work. Photographers working in Adobe RGB’s larger space may find more ready-to-use coverage, but if you’re very serious about capturing a screen for photo work, you should consider an Eizo monitor.

While the readings taken from the center are very good, the uniformity is a slightly different story. It’s common for LCD panels to show some bleeding at the edges, and the LG UltraFine 4K display is no exception here.

You can see in the brightness uniformity test below that there is a tendency for brightness to fall on the right side of the panel.
If you are a Mac owner after a high quality screen, then there is no argument – you should buy an LG UltraFine 4K Display.

About 630 pounds, this is not cheap, and the lack of any DisplayPort or HDMI port means it is not the most versatile monitor. It is a monitor for Apple customers only. The high coverage of the color space along with the capacity of the daischain with the two Thunderbolt 3 ports not only makes this a solid 4K monitor for a Mac Mini, but also as a secondary display for an iMac or MacBook.


  • Screen Size
    24″ Flat
    Panel Type
  • Color Gamut (Typ.)
    DCI-P3 98% (CIE1976)
    Color Depth(Number of Colors)
  • Pixel Pitch(mm)
    0.1369 x 0.1369 mm
    Response Time (GTG)
    14ms (GtG, Not Support OD)
  • Refresh Rate
    Aspect Ratio
  • Resolution
    3840 x 2160
    540cd (Typ.)
  • Contrast Ratio
    Viewing Angle
    178º(R/L), 178º(U/D)
  • Surface Treatment
    Low reflective treatment


  • USB Type-C
    Yes x 3
    USB Up-stream
    YES(via Thunderbolt)
  • USB Down-stream
    Thunderbolt 3
    Yes x 2(In – 85W PD / Out)
  • Daisy Chain
    Yes(UHD/60Hz/via Thunderbolt)


  • Type
    Built-in Power
    100~240V (50/60Hz)
  • Power Save/Sleep Mode (Max)
    DC Off (Max)
    < 0.3W
  • Power Consumption (Typ.)
    Power Consumption (Energy Star)
  • Power Consumption (Max.)


  • Flicker Safe
    On Screen Control (OSC)
  • Auto Brightness
    Wide Color Gamut
  • Nano IPS™ Technology


  • Speaker
    Speaker Type
    Rich Bass
  • Speaker Output
    Speaker Channel


  • With Stand (WxHxD)
    21.9″ x 20.8″ x 9.0″ (Up), 21.9″ x 16.5″ x 9.0″ (Down)
    Without Stand (WxHxD)
    21.9″ x 12.9″ x 2.0″
  • Shipping Dimensions (WxHxD)
    26.5″ x 21.1″ x 12.2″
    With Stand Weight
    15.4 lbs
  • Without Stand Weight
    11.5 lbs
    Shipping Weight
    24.5 lbs


  • Tilt (Angle)
  • Display Position Adjustments


  • Wall Mount Size (mm)
    100 x 100 mm
    Power Cord
  • USB Type-C

While the accuracy of the color, contrast and range coverage may not be as high as a professionally calibrated display, this will sit for photography enthusiasts and, as long as you can get a student discount, it might be a good buy for anyone who is going to start a course in photography or digital arts as well. Photo:LG 

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