27-inch UltraFine 4K (3840x2160) resolution displays breathtaking clarity and fine detail.
HDR10 with DCI-P3 90% (Typ.) provides a more lifelike picture.
Ergonomic stand allowing you to create a comfortable computing environment through easy tilt, height, swivel and pivot adjustment.
You can divide the entire display into 6 through the app, change the theme design, and launch the video calling platform with mapped hotkeys with LG Switch app.
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Overview
Specs
Reviews
Learn more about the LG Electronics 27US550-W
Model
Brand
LG
Series
UltraFine
Model
27US550-W
Part Number
27US550-W
Cabinet Color
Silver
Display
Screen Size
27"
LED Backlight
IPS/WLED
Widescreen
Yes
Resolution
3840 x 2160 (4K)
Refresh Rate
60Hz
Viewing Angle
178° (H) / 178° (V)
Monitor Pixel Density
0.1554mm x 0.1554mm
Display Colors
1.07 Billion
Brightness
(Typ.) 300 cd/m² (Min.) 240 cd/m²
Contrast Ratio
1,000:1
Aspect Ratio
16:9
Response Time
5 ms
Panel
IPS
Display Type
4K
Color Gamut
DCI-P3 90%
HDR Standard
HDR10
Curved Surface Screen
Flat Panel
Connectivity
Video Ports
1 x DisplayPort 1.4 / 2 x HDMI 2.0
Input Video Compatibility
Digital
Connectors
HDMI, DisplayPort, Audio
DVI
No
HDMI
2 x HDMI 2.0
DisplayPort
1 x DisplayPort 1.4
Headphone
3.5mm headphone jack
Convenience
Stand Adjustments
Height, Pivot, Swivel, Tilt
3D Glasses Included
No
Built-in TV Tuner
No
Built-in Speakers
No
Built-in Webcam
No
VESA Compatibility - Mountable
100 x 100mm
Dimensions & Weight
Dimensions
With Stand: 24.2" x 21.2" x 10.0"; Without Stand: 24.2" x 14.3" x 1.8"; Shipping Dimensions: 27.2" x 17.6" x 6.6"
Additional Information
First Listed on Newegg
March 27, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.