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LG UltraFine 27MD5KL-B 27" 16:9 5K IPS Monitor

BH #LG27MD5KLB • MFR #27MD5KL-B
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LG UltraFine 27MD5KL-B 27" 16:9 5K IPS Monitor
Key Features
  • In-Plane Switching (IPS) Panel
  • USB Type-C | Thunderbolt 3 Inputs
  • 5120 x 2880 5K Resolution
  • 1100:1 Static Contrast Ratio
The LG UltraFine 27MD5KL-B 27" 16:9 5K IPS Monitor is a Thunderbolt 3 and USB Type-C equipped monitor built for convenience. With Thunderbolt 3 supporting data, power, and video simultaneously through a single connection, users can simplify their cable setup. Specs-wise, it's built with an IPS (In-Plane Switching) panel featuring a 5120 x 2880 5K resolution, a 1100:1 static contrast ratio, a 500 nits brightness rating, and support for up to 1.07 billion colors. Once it's connected, users can adjust its versatile stand to best fit their viewing preference. A convenient VESA mount back cover is included for those who wish to use own VESA wall mount, stand, or arm.
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LG 27MD5KL Overview

The LG UltraFine 27MD5KL-B 27" 16:9 5K IPS Monitor is a Thunderbolt 3 and USB Type-C equipped monitor built for convenience. With Thunderbolt 3 supporting data, power, and video simultaneously through a single connection, users can simplify their cable setup. Specs-wise, it's built with an IPS (In-Plane Switching) panel featuring a 5120 x 2880 5K resolution, a 1100:1 static contrast ratio, a 500 nits brightness rating, and support for up to 1.07 billion colors. Once it's connected, users can adjust its versatile stand to best fit their viewing preference. A convenient VESA mount back cover is included for those who wish to use own VESA wall mount, stand, or arm.

Thunderbolt 3
Thunderbolt 3 is a hardware interface that utilizes the reversible USB Type-C connector. Doubling the speed of its predecessor, Thunderbolt 3 features a maximum throughput of 40 Gb/s when used with compatible devices. The connector also transmits data via USB 3.1 at up to 10 Gb/s, and dual-bandwidth DisplayPort 1.2 allows you to connect up to two 4K displays simultaneously. Additionally, you can daisy chain up to six devices from a single Thunderbolt 3 port.
Power Pass-Through
For less cable clutter, the Thunderbolt 3 port also supports up to 94W of power delivery, so you can simultaneously power your MacBook.
macOS Integration
When connected to a Mac, this monitor lets users adjust display settings such as brightness and volume without having to use its hardware buttons.
Built-In Camera and Speakers
Thanks to a built-in camera and speakers, this display offers users video-chatting capabilities right out of the box.

LG 27MD5KL Specs

Key Specs
Display Size
27"
Panel Type
IPS-Type LCD
Native Resolution
5120 x 2880
Maximum Brightness
500 nits / cd/m2
HDR Support
No
Color Support
1.07 Billion Colors (8-Bit+FRC)
Color Gamut
99% DCI-P3
99% CIE1976
Finish
Anti-Glare / Matte
Touchscreen
No
USB I/O
1x USB-C (Thunderbolt 3)
3x USB-C 3.0 / 3.1/3.2 Gen 1
Built-In Speakers
Yes, 2x 5 W
Webcam
User-Facing:
Display
Display Size
27"
Panel Type
IPS-Type LCD
Aspect Ratio
16:9
Native Resolution
5120 x 2880
Maximum Brightness
500 nits / cd/m2
HDR Support
No
Contrast Ratio
1100:1
Response Time
14 ms (GtG)
Refresh Rate
60 Hz
Variable Refresh Technology
No
Color Support
1.07 Billion Colors (8-Bit+FRC)
Color Gamut
99% DCI-P3
99% CIE1976
Viewing Angle (H x V)
178 x 178°
Finish
Anti-Glare / Matte
Touchscreen
No
Connectivity
HDCP Support
No
USB I/O
1x USB-C (Thunderbolt 3)
3x USB-C 3.0 / 3.1/3.2 Gen 1
Multi-Input Support (PIP/PBP)
No
Speaker
Built-In Speakers
Yes, 2x 5 W
Webcam
User-Facing:
Electrical
Power Consumption
Standby: 1.0 W
Typical: 140.0 W
Eco Mode: 45.6 W
Maximum: 200.0 W
Input Power
100 to 240 VAC, 50 / 60 Hz
Power Adapter Type
Internal
General
Lock Slot
No
Dimensions
24.6 x 22.6 x 9.4" / 624.8 x 574 x 238.8 mm (with Stand)
24.6 x 14.8 x 2.1" / 624.8 x 375.9 x 53.3 mm (without Stand)
Weight
18.7 lb / 8.48 kg (with Stand)
14.1 lb / 6.40 kg (without Stand)
Packaging Info
Package Weight
27.4 lb
Box Dimensions (LxWxH)
30 x 22 x 12"

LG 27MD5KL Reviews

It's only been three weeks

By RogerA
Rated 4 out of 5
Date: 2024-03-03

The default resolution suggested by LG is pretty low. I can't find more information online from LG about correctly using the 5K resolution. I have the owner's manual, which states to consult the user's manual which I cannot find anywhere. This monitor is connected to a 2023 Mac Studio that should support 5K. I did not receive this product free or at a discount in exchange for my opinion. But you are welcome to reimburse me for the purchase price.

Recalibrate on EVERY WAKE UP

By NoCoErik
Rated 2 out of 5
Date: 2024-02-09

Want to recalibrate EVERY WAKE UP? Buy this one. On Mac Studio M1, this loses its brightness settings every time it wakes up from sleep. Yep. Brightness goes totally wacky every time. Sure, you can write custom software to bump your brightness up, then down every time and then it snaps back to profile correctly. Or do it manually and it'll reset to *close* to correct settings -- if you didn't jog it too far up or down when you let go the slider. I've subbed in a Samsung, a Dell, and a less expensive 4k LG and they all hold their brightness setting. Not this Ultrafine. Brightness is wacky every time it wakes up. Just spent 2 hours with LG. They blame (you guessed it) Apple. Apple blames (you guessed it) LG. Datacolor at least has tried to help me solve it, but it's not a Datacolor problem (I use Datacolor calibration solution which I like). Issue is specific to this monitor. Google lg ultrafine brightness resets randomly and you'll see this is an ongoing issue. So, on a Windows? Maybe. On a Mac? If accurate brightness is no problem for you, then go for it. It's a sharp and colorful monitor with great dynamic range. But for brightness accuracy? Zero.

See any errors on this page?

Is that correct as specified in connectivity ? ...

Is that correct as specified in connectivity ? ......1 x USB Type-C 3 x USB Type-C (USB 3.1 Gen 1) 1 x USB Type-C (Thunderbolt 3)
Asked by: JERZY
3 x USB Type-C (USB 3.1 Gen 1) 1 x USB Type-C (Thunderbolt 3) The unit has 4 total USBC connections, some for charging, others for connectivity whether input or output for daisy chaining.
Answered by: Michael
Date published: 2021-02-08

Will this work with a Mac Pro 2013?

Will this work with a Mac Pro 2013?
Asked by: Chris
As long as you have a thunderbolt connection it should work.
Answered by: Bennie
Date published: 2020-08-03

what adapter cable should be purchased for a Dell ...

what adapter cable should be purchased for a Dell XPS 8950?
Asked by: lynette
The LG UltraFine 27MD5KL-B 27" 16:9 5K IPS Monitor is specifically designed to be used with a MacOS computer, I wouldn't recommend trying to use it with a Windows PC as many of the monitor's settings are controlled through MacOS.
Answered by: Kennethc
Date published: 2023-04-17

Why are there two of these on BH? With two ...

Why are there two of these on BH? With two different ship times?
Asked by: Bobby
I just received one .... which is the one actúally using for work.... with a iMac 27 which I also but there later .. please check and confirm. Thanks Brendy
Answered by: Brendaliz
Date published: 2023-11-10

No input sound from monitor using m1 ? these ...

No input sound from monitor using m1 ? these monitors don't work with Apple m1. No matter what you do LG has not released drivers for these monitors.
Asked by: Francisco
I have had this monitor for my M1 MacMini for a couple of years. It works perfectly.
Answered by: JANA
Date published: 2024-01-21

What is the diff between this and the other one ...

What is the diff between this and the other one you sell LG27MD5KLBB ?
Asked by: EL
This item is the non-business version and only comes with a limited one-year warranty whereas the LG27MD5KLBB comes with a limited three-year warranty.
Answered by: Gregorio M.
Date published: 2021-02-21

What’s the height of monitor when it’s at it’s ...

What’s the height of monitor when it’s at it’s lowest on stand?
Asked by: Nathan
At it's highest, it will be 22.5 inches height. Lowest will be 18.2 inches.
Answered by: Zev
Date published: 2021-02-24

Can two of these monitors be used with the new ...

Can two of these monitors be used with the new Mac Pro?
Asked by: Brian
Yes, you can connect two of these monitors, to the new Mac Pro 2019 models.
Answered by: jessica
Date published: 2020-09-01
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