LG 27US550-W.AEK 27″ 60Hz Monitor

27 inch · 3840 x 2160 · 60 Hz · IPS

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Screen size 27 inch
Resolution 3840 x 2160
Refresh rate 60 Hz
Panel IPS
Response time 5 ms

LG 27US550-W.AEK 27″ 60Hz Monitor is a 27-inch monitor with 3840 x 2160 resolution, a 60 Hz refresh rate and IPS panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2026.

Released: 2026-03-31

Specifications

Key specs

Screen size: 27 inch
Resolution: 3840 x 2160
Refresh rate: 60 Hz
Panel: IPS
Response time: 5 ms
Released: 2026-03-31
Part number: 27US550-W.ATR

Display

Display diagonal: 68.6 cm (27")
Display resolution: 3840 x 2160 pixels
HD type: 4K Ultra HD
Native aspect ratio: 16:9
Display technology: LCD
Panel type: IPS
Display brightness (typical): 300 cd/m²
Response time: 5 ms
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 1000:1
Maximum refresh rate: 60 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Display diagonal (metric): 68.4 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Colour depth: 10 bit
Colour gamut standard: DCI-P3
Colour gamut: 90%

Design

Product colour: White

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Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
DisplayPorts quantity: 1
DisplayPort version: 1.4
Audio output: Yes
Headphone out: Yes
Headphone connectivity: 3.5 mm

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Height adjustment: Yes
Pivot: Yes
Swivelling: Yes
Tilt adjustment: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 26 kWh
Energy consumption (HDR) per 1000 hours: 34 kWh
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 613.5 mm
Depth (with stand): 539.2 mm
Height (with stand): 253.2 mm
Weight (with stand): 6.8 kg
Width (without stand): 613.5 mm
Depth (without stand): 363.5 mm
Height (without stand): 45.4 mm
Weight (without stand): 4.2 kg

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About this product

Enjoy your creativity Experience stunning visual clarity and vibrant colors 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. 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. 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. 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.

27US550-W.AEK vs similar monitors

	LG 27US550-W.AEK 27″ 60Hz Monitor	LG 27U710B-B 27″ 60Hz Monitor	LG 27U731SB-W 27″ 60Hz Monitor	LG 27 Inch UltraFine U7, 4K UHD IPS Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	3840 x 2160	3840 x 2160	3840 x 2160	3840 x 2160
Refresh rate	60 Hz	60 Hz	60 Hz	60 Hz
Panel	IPS	IPS	IPS	IPS
Response time	5 ms	5 ms	5 ms	5 ms
Released	2026	2026	2026	2026