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27" UHD 4K (3840x2160) IPS Monitor with USB Type-C™
Display
27” UHD 4K (3840x2160) IPS
HDR10 & sRGB 98% (Typ.)
Feature
AMD FreeSync™
Tilt, Height and Pivot
Connectivity
USB Type-C™
DisplayPort 1.4 & USB 3.0
- SDR
HDR
| HDR10 |
Detailed Contrast
HDR technology is now applied to various content. This monitor is compatible with HDR10 (high dynamic range), supporting specific levels of colour and brightness that enables viewers to enjoy the dramatic colours of the content.
*The images simulated to enhance feature understanding. It may differ from actual use.
*The images simulated to enhance feature understanding. It may differ from actual use.
USB Type-C™
Easy Control and Connectivity
USB Type-C™ ports allow 4K display, data transfer and connected device charging (up to 96W), all at the same time over a single cable.
*To work properly, the USB Type-C™ cable included in the package is required to connect the USB Type-C™ port to the monitor.
Features focused on the Gaming
Immersive Gaming Experience
27UP550 not only brings the thrills with decent image but also provides AMD FreeSync™, Game Mode, Dynamic Action Sync, and Black Stabilizer for the gaming experience.
The gaming car scene from Immersive true 4K HDR console game
*The images simulated to enhance feature understanding. It may differ from actual use.
*The images simulated to enhance feature understanding. It may differ from actual use.
*Comparison of Mode 'OFF' (left image) and AMD FreeSync™
Conventional DAS
| Dynamic Action Sync |
React Faster to Opponents
Reduce input lag with Dynamic Action Sync so it helps gamers catch critical moments in real-time.
*The conventional illustrates the LG's model is not supported in Dynamic Action Sync (DAS) feature.
*The images simulated to enhance feature understanding. It may differ from actual use.
Conventional DAS
| Black Stabilizer |
Attack First in Dark
Black Stabilizer helps gamers to avoid snipers hiding in the darkest places and quickly escape situations when the flash explodes.
*The images simulated to enhance feature understanding. It may differ from actual use.
*To download the latest OnScreen Control, visit LG.COM.
*The product images and OnScreen Control in the video are for illustrational purposes only and might differ from the real product and Actual OnScreen Control.
Ergonomic Design
Easy and Comfortable
| The ergonomic stand makes it easy to flexibly adjust the height, tilt, and pivot of the screen in the optimal position for you. |
Key Spec
Display - Size [Inch]
27
Display - Resolution
3840 x 2160
Display - Panel Type
IPS
Display - Aspect Ratio
16:9
Display - Color Gamut (Typ.)
sRGB 98% (CIE1931)
Display - Brightness (Typ.) [cd/m²]
300 cd/m²
Display - Refresh Rate (Max.) [Hz]
60
Display - Response Time
5ms (GtG at Faster)
Mechanical - Display Position Adjustments
Tilt/Height/Pivot
All Spec
INFO
Product name
UHD
DISPLAY
Aspect Ratio
16:9
Brightness (Typ.) [cd/m²]
300 cd/m²
Color Bit
10bit (8bit+FRC)
Color Depth (Number of Colors)
1.07B
Color Gamut (Typ.)
sRGB 98% (CIE1931)
Contrast Ratio (Typ.)
1000:1
Panel Type
IPS
Pixel Pitch [mm]
0.1554 x 0.1554 mm
Refresh Rate (Max.) [Hz]
60
Resolution
3840 x 2160
Response Time
5ms (GtG at Faster)
Size [cm]
68.4 cm
Size [Inch]
27
Surface Treatment
Anti-Glare
Viewing Angle (CR≥10)
178º(R/L), 178º(U/D)
FEATURES
Reader Mode
Yes
AMD FreeSync™
FreeSync
Black Stabilizer
Yes
Color Weakness
Yes
Dynamic Action Sync
Yes
Flicker Safe
Yes
HDR 10
Yes
HDR Effect
Yes
Smart Energy Saving
Yes
Super Resolution+
Yes
SW APPLICATION
OnScreen Control (LG Screen Manager)
Yes
Dual Controller
YES
CONNECTIVITY
DisplayPort
Yes (1ea)
DP Version
1.4
HDMI
Yes (2ea)
Headphone out
3-pole (Sound Only)
USB-C
Yes (1ea)
USB-C (Data Transsmission)
YES
USB-C (Max. Resolution at Hz)
3840 x 2160@60Hz
USB-C (Power Delivery)
90W
USB Downstream Port
Yes (2ea/ver3.0)
POWER
AC Input
100~240V (50/60Hz)
DC Output
210W (19.5V/10.8A)
Power Consumption (DC Off)
Less than 0.3W
Power Consumption (Sleep Mode)
Less than 0.5W
Type
External Power(Adapter)
MECHANICAL
Display Position Adjustments
Tilt/Height/Pivot
Borderless Design
Normal
OneClick Stand
Yes
Wall Mountable [mm]
100 x 100
DIMENSIONS/WEIGHTS
Dimension in Shiping (W x H x D) [mm]
700 x 188 x 514mm
Dimension without Stand (W x H x D) [mm]
622.6 x 371 x 45.8mm
Dimension with Stand (W x H x D) [mm]
622.6 x 574.1 x 239.3mm(Up)
622.6 x 464.1 x 239.3mm(Down)Weight in Shipping [kg]
9.4
Weight without Stand [kg]
4.4
Weight with Stand [kg]
6.3
ACCESSORY
HDMI
Yes
Adapter
Yes
Display Port
Yes
Power Cord
Yes
STANDARD
CE
YES
UL (cUL)
YES
What people are saying
FAQ
What are the benefits of using UHD 4K & 5K monitors?
1. Ultra-High Resolution for Crystal-Clear Image Quality
Boasting 4K (3840×2160) and 5K (5120×2160) resolutions, these monitors offer a much higher pixel count than conventional displays. This results in sharper, more detailed rendering of text, images, and videos, which makes everything on screen look incredibly clear and crisp.
2. Optimized Color Accuracy for Professional Visual Work
These monitors support advanced technologies that enhance image quality and color accuracy, making them ideal for creative professionals. They are a perfect fit for tasks like photo and video editing, graphic design, and color grading, where accurate and vibrant colors are paramount.
3. Enhanced Content Immersion
You can watch 4K content from services like Netflix, YouTube, and other streaming platforms in its native, high-quality format. The high brightness and rich contrast levels further elevate your viewing experience, making movies and TV shows more immersive and visually stunning.
4. More Screen Space
The high resolution allows you to display more content on a single screen at once. This is a big advantage for multitasking, especially for tasks such as video editing, design, coding, or research, where having multiple applications and windows open side by side can significantly improve your workflow.
Who would especially benefit from using UHD 4K & 5K monitors?
LG UHD 4K & 5K monitors are especially well-suited for users who demand precision, love high-quality content, and value efficient multitasking.
They are ideal for professionals in graphic design, photo editing, and video production, where high resolution and accurate color reproduction are crucial. The monitors' support for technologies like DCI-P3 and HDR10 enhances both convenience and visual quality. The increased screen real estate also benefits planners, developers, researchers, and finance professionals who work with multiple windows simultaneously, improving overall workflow efficiency.
For those who want to enjoy 4K content from platforms like YouTube or Netflix in its original quality, the sharp resolution and vibrant contrast provide a deeply immersive viewing experience.
In short, UHD 4K & 5K monitors offer a versatile solution, perfectly serving both professional users who need visual accuracy and general users who want to enjoy rich, detailed content.
What are the differences between OLED, IPS, and VA panels?
OLED (Organic Light-Emitting Diode)
OLED panels are a premium display technology where each pixel emits its own light. This self-emissive design allows for true blacks and an infinite contrast ratio, since pixels can be fully turned off. They also have ultra-fast response times, making them the best option for high-end gaming monitors, premium TVs, and professional video editing where colour accuracy and speed are critical.
IPS (In-Plane Switching)
IPS panels are known for their accurate colour reproduction and wide viewing angles, which keeps the image clear and consistent even when viewed from the side. This makes them a great all-purpose choice for office work, design, and gaming. Gamers especially appreciate their superior colour accuracy, as it allows them to experience the game’s visuals exactly as the developers intended.
VA (Vertical Alignment)
VA panels offer the highest native contrast ratio of all LCD types, delivering an immersive experience for movies and videos with deep blacks and rich colours. While not as fast as TN or OLED panels, their performance has improved to the point of being a great, all-around option for both casual gaming and general media consumption.
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