LG Monitor U4 27U411B-B 27-inch IPS Full HD 144Hz Monitor

27 inch · 1920 x 1080 · 144 Hz · Fast IPS

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Screen size 27 inch
Resolution 1920 x 1080
Refresh rate 144 Hz
Panel Fast IPS
Response time 1 ms

LG Monitor U4 27U411B-B 27-inch IPS Full HD 144Hz Monitor is a 27-inch monitor with 1920 x 1080 resolution, a 144 Hz refresh rate and Fast IPS panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-05-03

Specifications

Key specs

Screen size: 27 inch
Resolution: 1920 x 1080
Refresh rate: 144 Hz
Panel: Fast IPS
Response time: 1 ms
Released: 2026-05-03
Part number: 27U411B-B.AEK
EAN / UPC: 8806096833421

Display

Display diagonal: 68.6 cm (27")
Display resolution: 1920 x 1080 pixels
HD type: Full HD
Native aspect ratio: 16:9
Display technology: LCD
Panel type: Fast IPS
Display brightness (typical): 250 cd/m²
Response time: 5 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 1 ms
Display surface: Matt
Screen shape: Flat
Contrast ratio (typical): 1500:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Response time (fast): 1 ms
Digital horizontal frequency: 31.47 - 162 kHz
Digital vertical frequency: 59.94 - 144 Hz
Display diagonal (metric): 68.5 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10), HDR Effect
Colour depth: 8 bit
Colour gamut standard: sRGB
sRGB coverage (typical): 99%

Performance

AMD FreeSync: Yes
AMD FreeSync type: FreeSync
Flicker-free technology: Yes

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Design

Market positioning: Consumer
Product colour: Black
Feet colour: Black

Ports & interfaces

VGA (D-Sub) ports quantity: 1
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 2.0
Headphone out: Yes
Headphone connectivity: 3.5 mm
HDCP: Yes
HDCP version: 2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Tilt adjustment: Yes

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): F
Energy consumption (SDR) per 1000 hours: 20 kWh
Energy consumption (HDR) per 1000 hours: 23 kWh
Power consumption (typical): 18 W
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
Energy efficiency scale: A to F

Weight & dimensions

Width (with stand): 611.5 mm
Depth (with stand): 220 mm
Height (with stand): 452.4 mm
Weight (with stand): 3.9 kg
Width (without stand): 611.5 mm
Depth (without stand): 38.5 mm
Height (without stand): 357.8 mm
Weight (without stand): 3 kg

Other features

Brand specific technologies: Crosshair, Black Stabiliser, Eye care, DAS Mode
Low input lag: Yes
FPS counter: Yes
Motion blur reduction: Yes
Warranty period: 2 year(s)

Check the manufacturer's page before buying.

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About this product

More screen, more speed, more you. Say hello to the LG U4 27U411B — a 27-inch Full HD monitor built to make everything you do that little bit smoother, whether that's smashing through your to-do list, bingeing your next box set, or diving into a gaming session after work. Room to spread out With a spacious 27-inch IPS display, you'll get bags more room to work with — literally. Spread your spreadsheets, browser tabs and chat windows across a screen big enough to keep everything in view without ever feeling cluttered. And thanks to the virtually borderless design and slim stand base, it looks just as good on your desk as it performs. Buttery-smooth visuals A 144Hz refresh rate keeps motion fluid and sharp, whether you're scrolling through a document or dodging enemy fire mid-game. Colours pop too: HDR10 support and 99% sRGB coverage team up to deliver true-to-life colour and enhanced contrast, so what you see on screen looks the way it's meant to. Multitasking, sorted Juggling more than one thing at once?

User manual (PDF)

LG Monitor U4 27U411B-B 27-inch IPS Full HD 144Hz Monitor vs similar monitors

	LG Monitor U4 27U411B-B 27-inch IPS Full HD 144Hz Monitor	LG Monitor U4 24U411B-B 24-inch IPS Full HD 144Hz Monitor	LG 27G411A-B 27″ 144Hz Monitor	LG 27G414B-B 27″ 144Hz Monitor
Screen size	27 inch	24 inch	27 inch	27 inch
Resolution	1920 x 1080	1920 x 1080	1920 x 1080	1920 x 1080
Refresh rate	144 Hz	144 Hz	144 Hz	144 Hz
Panel	Fast IPS	Fast IPS	IPS	IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2026	2026	2026	2026