27MD5KA-B

27'' Class UltraFine? 5K IPS LED Monitor (27'' Diagonal)

  • 5K (5120 x 2880) IPS Display
  • 218 Pixel Per Inch
  • P3 99% Color Spectrum
  • Thunderbolt?3
  • Built-In Camera & Speaker
27" Class UltraFine? 5K IPS LED Monitor (27" Diagonal)
$
Where to Buy

5K Display with Thunderbolt? 3

The LG UltraFine? 5K display with Thunderbolt? 3 port can transmit 5K video and data while simultaneously charging a new MacBook Pro (up to 85W) over a single cable. Plus, three USB-C downstream ports (USB 5 Gbps) let you connect additional devices as needed.1

Recommended Connection with UltraFine 5K Display

1. 13”/ 15” New MacBook Pro (Late 2016)
Check your release date of Mac devices

2. macOS Sierra 10.12.2 or later
Check your macOS version

3. Use enclosed ‘Thunderbolt? 3 cable’ in the box
The Thunderbolt 3 Cable has ‘Thunderbolt? 3 mark’ on the cable.

How to Connect LG UltraFine 5K Display with Your Mac

We recommend that you use the LG UltraFine 5K Display as a second monitor with Mac mini and Mac Pro, as the display might not turn on until you boot into macOS. As a result, pre-boot features such as Boot Picker and macOS Recovery might not be available on the display.

POWER

  • DC Off
    1.2W
    Type
    200W built-in Power
  • Input
    100~240V, 50/60Hz
    Normal On
    140W
  • DC Off (Max.)
    0.5W

STANDARD

  • UL(cUL)
    Yes
    FCC-B, CE
    Yes
  • CB
    Yes
    CCC, BSMI
    Yes
  • KC
    Yes
    VCCI
    Yes
  • ROHS, REACH
    Yes
    RCM
    Yes

DIMENSIONS/WEIGHTS

  • Shipping Weight
    29.76 lbs
    With Stand (WxHxD)
    24.63" x 18.28" x 9.44"
  • Without Stand (WxHxD)
    24.63" x 14.77" x 2.12"
    Shipping Dimensions (WxHxD)
    29.25" x 22.83" x 12.40"
  • With Stand Weight
    18.74 lbs
    Without Stand Weight
    14.11 lbs

SPECIAL FEATURES

  • HDCP
    HDCP1.4 / 2.2
    USB Up
    1 upstream (Thunderbolt3)
  • Height (Range)
    Yes (range 0~110mm)
    Camera
    Yes
  • Ambient Light Sensor
    Yes
    Base Detachable
    Yes (One touch release button)
  • Mic
    Yes
    Tilt (Angle)
    Yes (Angle -5~25 degree)

WARRANTY/UPC

  • Limited Warranty
    1 Year Parts & Labor
    UPC
    719192613584

PANEL SPECIFICATIONS

  • Screen Size Class (diagonal)
    27" Flat
    Resolution
    5120 x 2880
  • Response Time
    12ms / 14ms GTG
    Refresh Rate
    H-Frequency: 30~178kHz V-Frequency: 48~60Hz
  • Color Depth
    10bit(8bit + A-FRC)
    Panel Type
    IPS
  • Color Gamut (CIE1931)
    DCI-P3 99%
    Brightness (typical)
    500 nits
  • Contrast Ratio
    1100:1
    Viewing Angle
    178 / 178
  • Surface Treatment
    Anti-glare, 2H
    Pixel Pitch (mm)
    0.11685 mm x 0.11685 mm

INPUTS/OUTPUTS

  • USB
    3 downstream (USB-C)
    Thunderbolt 3
    Yes(x1), 5K@60Hz, USB-C

STAND

  • Tilt (Angle)
    Yes (Angle -5~25 degree)

CABINET/ACCESSORIES

  • VESA? Size (mm)
    100 x 100
    VESA design cover
    Yes
  • Power Cord
    Thunderbolt3 Cable
    Yes (Active Cable, 2.0m)
  • Easy Setup Guide
    Yes
    Guides on Using Product Functions
    Yes

SPEAKER

  • Audio Output
    5Wx2 77dB (Based on LG Standard)
    Type
    Stereo Speakers

SOFTWARE

  • S/W Install CD
    Web Download

What people are saying

Rated 5 out of 5 by from Extremely Nice Monitor Purchased to be a second monitor for my 2019 iMac 27" Retina computer. This display provides a perfect match to the iMac in terms of picture quality, richness and accuracy of color and resolution. I can put a high resolution picture on both monitors and they look identical. I require dual monitors for my work as well as to work with my astro-photos. This is a high quality display which integrates with the iMac so well that it seems to be a part of the original system.
Date published: 2019-12-08
Rated 3 out of 5 by from Uses too much power when Macbook is sleeping I had a power meter connected to the monitor and when I do not connect a Macbook when it is off it draws 1 watt. Which is reasonable. However if I connect my Macbook to the power outlet of the monitor it draws 25 watts when the battery is fully charged. I also connected a Chromebook and there also when its off and fully charged the monitor draws 25 watts! Any explanation here or is there maybe a firmware update that can fix this? I already run the latest firmware Another problem is that waking up the screen and the mac can take quite a while, which is frustrating. To end on a positive note. The image quality of the screen is fantastic
Date published: 2019-11-11
Rated 5 out of 5 by from Great monitor I bought this about a year ago. I had none of the issues that others had. Rarely bottom left flickers but goes away when heats up. Great image quality. No problems with my 4th gen Macbook Pro.
Date published: 2019-09-19
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ASK & ANSWER

Ask your questions. Share your answers.
Please review the detailed product information and help guides in the
Product Support section for this product prior to posting a question.

What year produced

Asked by: Terrance l
The LG 27'' Class UltraFine™ 5K IPS LED Monitor (27'' Diagonal), Model # 27MD5KA-B was released in 2017...^IFV
Answered by: Ivanf
Date published: 2020-02-20

will this work on a Windows 10 PC?

Asked by: bill000
The LG 27'' Class UltraFine™ 5K IPS LED Monitor (27'' Diagonal), Model # 27MD5KA is officially unsupported on Windows 10 but it can mostly work with a Windows PC that supports Thunderbolt™3. What might not work on a PC with Windows 10 is the brightness adjustment, reliable USB device recognition on hot-swaps or the webcam...^IFV
Answered by: Ivanf
Date published: 2020-01-14

Is there a way to order a replacement stand for this monitor?

Asked by: ioop
Parts and accessories can be obtained through our parts distributor, Encompass Parts. Their contact number, for placing orders and pricing information, is 866-779-7906. You can also use their website, at https://www.encompassparts.com/ ^CP
Answered by: ChrisPSM
Date published: 2019-07-21

is this monitor compatible with new the mac mini os majave ?

Asked by: tee man
The LG Screen Manager application that provides a monitor software update feature can be downloaded and installed from the Apple store for the LG 27'' Class UltraFine™ 5K IPS LED Monitor (27'' Diagonal), Model # 27MD5KA. Supported OS: macOS 10.13, 10.14 App Store URL: https://itunes.apple.com/us/app/lg-screen-manager-lg-monitor/id1142051783 ...^IFV
Answered by: Ivanf
Date published: 2019-07-18

I can't get macOS to recognize the camera in my monitor. I have tried updating everything, I have downloaded the LG Manager and it did nothing, and this is very frustrating that such a basic function isn't working on a $1k+ monitor.

Asked by: TiredofThisMonitor
Same with mine, Camera light turns on but no video. Only purchased 5 days ago. LG is there a fix?
Answered by: ml2019
Date published: 2019-06-27

Why won't the screen go to sleep? It goes black but won't go to sleep. 

Asked by: Hunt4868
We are sorry to see you are having trouble with your monitor. For best assistance, give our computer specialists a call at 800-243-0000. ^CP
Answered by: ChrisPSM
Date published: 2019-03-04

noticeable white horizontal lines flash on and off on the right side of monitor, distortion of video. I'm using a 2013 macpro with an official apple adapter, not official mac thunderbolt 2 cord, just ordered an official cord though.

Asked by: snowychi
Hello and sorry to hear, that doesn't sound right. Please give us a call at 1-800-243-0000 when you are with the unit so we can help out. ^AC
Answered by: Amber C
Date published: 2019-01-29

Hi, I have the Thunderbolt 3 version of this monitor and want to connect it to my Macbook Pro from 2015 with Thunderbolt 2. Is it possible? Also, is it possible to convert this Thunderbolt 3 into any mini display port? Thanks

Asked by: valley85
The use of Thunderbolt 3 to Thunderbolt 2 cable is possible. You can buy one directly from Apple. ^AC
Answered by: Amber C
Date published: 2018-12-18
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