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27" LG 4K UHD UltraFine™ IPS Monitor, White
Details mastered
On the desk, there is an ultrafine monitor displaying Photoshop work. Next to the monitor, there is a desk lamp, a mouse, paper, and colored pencils.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Enjoy your creativity
Experience stunning visual clarity and vibrant colours with the LG UHD monitor. UltraFine™ supports 4K resolution, 90% DCI-P3, over 300nits brightness, and a 3-side borderless design that provides an efficient workstation for illustrators, photographers, and video editors.
Display
27” UHD 4K (3840x2160)
IPS (178° Wide view)
Image quality
HDR10
DCI-P3 90% (Typ.)
300nits brightness
Feature
3-side Virtually Borderless Design
Tilt, height, swivel and pivot adjustment
HDR 10 with DCI-P3 90%
See amazing colours
HDR technology is now applied to various content. Our monitor is compatible with industry standard HDR10 (High Dynamic Range), based on the DCI-P3 90% colour gamut, supporting specific levels of colour and brightness that enable viewers to enjoy the dramatic colours of the content.
The screen contains various colours representing UHD 4K, and in the bottom left corner, there is a logo indicating HDR and DCI-P3 90%.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*Brightness: 300nits (Typ.), Colour Gamut: DCI-P3 90% (Typ.).
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
Ergonomic design
Easy and comfy
The 3-side thin bezel design with the stand's slim-flat form blends into your office or home taking up minimal space. And it allows an ideal working experience through convenient tilt, height, swivel and pivot adjustment.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
LG Switch app
Switch swiftly
LG Switch app helps to optimize the monitor to your work and life. You can readily divide the whole display up to 6, change the theme design, or even launch a video call platform with a mapped hotkey.
*Images have been simulated to enhance feature understanding, and may differ from actual use experience.
*To download the latest LG Switch app, search for 27US550 in the LG.com Support Menu.
Summary
DIMENSIONS

Key Spec
- Display - Size [Inch] - 27 
- Display - Resolution - 3840 x 2160 
- Display - Panel Type - IPS 
- Display - Aspect Ratio - 16:9 
- Display - Color Gamut (Typ.) - DCI-P3 90% (CIE1976) 
- Display - Refresh Rate (Max.) [Hz] - 60 
- Display - Response Time - 5ms (GtG at Faster) 
- Mechanical - Display Position Adjustments - Tilt/Height/Swivel/Pivot 
All Spec
INFO
- Product name - UHD 
- Year - Y24 
DISPLAY
- Size [Inch] - 27 
- Size [cm] - 68.4 cm 
- Resolution - 3840 x 2160 
- Panel Type - IPS 
- Aspect Ratio - 16:9 
- Pixel Pitch [mm] - 0.1554(H) * 0.1554(V) 
- Color Gamut (Min.) - DCI-P3 86% (CIE1976) 
- Color Gamut (Typ.) - DCI-P3 90% (CIE1976) 
- Color Depth (Number of Colors) - 1.07B 
- Contrast Ratio (Min.) - 700:1 
- Contrast Ratio (Typ.) - 1000:1 
- Response Time - 5ms (GtG at Faster) 
- Refresh Rate (Max.) [Hz] - 60 
- Viewing Angle (CR≥10) - 178º(R/L), 178º(U/D) 
- Brightness (Min.) [cd/m²] - 240 
- Brightness (Typ.) [cd/m²] - 300 
- Colour Bit - 10bit (8bit+FRC) 
FEATURES
- HDR 10 - YES 
- HDR Effect - YES 
- Flicker Safe - YES 
- Reader Mode - YES 
- Color Weakness - YES 
- Super Resolution+ - YES 
- Black Stabilizer - YES 
- Dynamic Action Sync - YES 
- Smart Energy Saving - YES 
SW APPLICATION
- Dual Controller - YES 
CONNECTIVITY
- HDMI - YES(2ea) 
- DisplayPort - YES(1ea) 
- DP Version - 1.4 
- Headphone out - 3-pole (Sound Only) 
POWER
- Type - External Power(Adapter) 
- AC Input - 100~240V (50/60Hz) 
- Power Consumption (Typ.) - 25W 
- Power Consumption (Max.) - 26W 
- Power Consumption (Energy Star) - 25W 
- Power Consumption (Sleep Mode) - Less than 0.5W (HDMI/DP input condition) 
- Power Consumption (DC Off) - Less than 0.3W 
- DC Output - 40W(19V/2.1A) 
MECHANICAL
- Display Position Adjustments - Tilt/Height/Swivel/Pivot 
- Wall Mountable [mm] - 100 x 100 mm 
DIMENSIONS/WEIGHTS
- Dimension with Stand (W x H x D) [mm] - 613.5x539.2x253.2 
- Dimension without Stand (W x H x D) [mm] - 613.5x363.5x45.4 
- Dimension in Shiping (W x H x D) [mm] - 690x447x167 
- Weight with Stand [kg] - 6.8 
- Weight without Stand [kg] - 4.2 
- Weight in Shipping [kg] - 7.3 
ACCESSORY
- HDMI - YES 
- Adapter - YES 
- HDMI (Color/Length) - White / 1.5m 
COMPLIANCE INFORMATION
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The safety information for accessories is included with the safety information for the product and is not provided separately.
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