SKU: 27UL550-W Category:

LG 27UL550 computer monitor 68.6 cm (27″) 4K Ultra HD LED Flat Matt Silver

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£315.19 £262.66 Ex. VAT

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HDR 10
Meet the UHD 4K HDR Monitor

This monitor is compatible with HDR10 to represent details in bright and dark parts of high dynamic range contents.

IPS with sRGB 98% (Typ.)
True Colour and Wider View

LG IPS display has extraordinary colour accuracy, covering 98 of the sRGB colour spectrum. It also has a wider viewing angle, so it’s even easier to enjoy true colour visuals.

Colour Calibrated
It is Colour Calibrated to help maintain accurate colour on the screen and prevent gradual changes, so it preserves the original intend colour.

Clearer, Smoother Image

Radeon FreeSync reduces the tearing and stuttering that occur between a graphic card’s frame rate and a monitor’s refresh rate enabling smoother motion and less stuttering in demanding games.

Customized Modes for Any Game
Users can choose FPS or RTS mode, and customize. The settings can be adjusted and optimized for any type of game.

Dynamic Action Sync
Minimize input lag with Dynamic Action Sync so gamers can catch every single moment in real-time.

Black Stabilizer
LG’s Black Stabilizer helps make dark scenes bright so it’s easier to find the competition.

OnScreen Control
Easier User Interface

OnScreen Control is simple and intuitive. You can customize your display options with a few simple clicks.

Ergonomic Stand
Versatile Elegance

The curved base enhances stability for dependable performance. The base can be adjusted to change the tilt, height and angle of the monitor for comfortable viewing experience. Also, this monitor can be hung on the wall.

– HDR 10
– sRGB 98%
– 4K UHD 3840×2160
– HDCP 2.2
– RADEON FreeSync
– DAS, BlackStabilizer

Feature Feature Value
Display diagonal 68.6 cm (27″)
Display brightness (typical) 300 cd/m²
Display resolution 3840 x 2160 pixels
Native aspect ratio 16:9
Response time 5 ms
3D N
Panel type IPS
HD type 4K Ultra HD
Display technology LED
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 1.073 billion colors
Backlight type W-LED
Display surface Matt
Display diagonal (metric) 68.4 cm
Pixel pitch 0.1554 x 0.1554 mm
Digital horizontal frequency 30 – 135 kHz
Digital vertical frequency 56 – 61 Hz
Display sRGB Y
sRGB coverage (typical) 98%
sRGB coverage (min) 95%
Factory-calibrated Y
High Dynamic Range (HDR) supported Y
AMD FreeSync Y
Flicker free technology Y
Market positioning Gaming
Product colour Silver
DisplayPorts quantity 1
Headphone out Y
HDMI ports quantity 2
DisplayPort version 1.4
Headphone outputs 1
VESA mounting Y
Height adjustment Y
Panel mounting interface 100 x 100 mm
Pivot Y
Tilt adjustment Y
Energy efficiency class A
Power consumption (typical) 36 W
Power consumption (standby) 0.5 W
Power consumption (max) 41 W
Power consumption (off) 0.3 W
Power consumption (PowerSave) 26 W
AC input voltage 100 – 240 V
AC input frequency 50 – 60 Hz
Width 622.6 mm
Depth 45.8 mm
Height 371 mm
Weight 4.4 kg
Width (with stand) 622.6 mm
Depth (with stand) 230 mm
Height (with stand) 572.2 mm
Weight (with stand) 6 kg
Cables included DisplayPort,HDMI
Package width 704 mm
Package depth 192 mm
Package height 518 mm
Package weight 8.6 kg
Display diagonal

68.6 cm (27")


622.6 mm

Energy efficiency class


Panel type




Display technology


Display surface


Digital vertical frequency

56 – 61 Hz

Display resolution

3840 x 2160 pixels



Headphone out


Headphone outputs


Panel mounting interface

100 x 100 mm

VESA mounting


Market positioning


HDMI ports quantity


DisplayPorts quantity


Maximum refresh rate

60 Hz

Screen shape


HD type

4K Ultra HD



Native aspect ratio



4.4 kg

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