LG 27" Full HD Monitor (27U421A-B)
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Overview
- 27” FHD curved display (1500R)
- sRGB 99% (Typ.) / 100Hz refresh rate
- USB-C (PD 15W)
- Reader Mode & Flicker Safe
- Tilt adjustable stand
- LG Switch app
Vivid colors with precision
Our FHD (1920x1080) screen delivers clear visuals with an sRGB 99% (Typ.) color gamut and a 1500R curvature, enhancing work productivity.
Fluid visuals.
Seamless workflow.
A fast 100Hz provides a smooth frame loading in various programs. Also, you can enjoy realistic gameplay with less screen stuttering and motion blur.
One port to meet your needs
Connect your laptop to the monitor with a USB-C cable** for up to 15W of power delivery and display connectivity.
Dynamic Action Sync
Reducing input lag with Dynamic Action Sync, gamers can catch critical moments in real time and respond quickly.
Black Stabilizer
Black Stabilizer helps gamers detect snipers lurking in the darkest corners and swiftly navigate flash explosions.
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.
Fully use your desk
The slim stand takes up little space, allowing you to utilize your workspace efficiently.
Easy and comfy solution
Featuring a slim bezel on three sides and a sleek stand, our FHD curved monitor lets you create an ideal workspace with convenient tilt adjustment.
Specifications
Display
| sRGB coverage (typical) | 99% |
|---|---|
| Colour gamut standard | sRGB |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| High Dynamic Range (HDR) supported | Yes |
| Display diagonal (metric) | 68.5 cm |
| Pixel pitch | 0.3114 x 0.3114 mm |
| Display number of colours | 16.7 million colours |
| Viewing angle, vertical | 178° |
| Viewing angle, horizontal | 178° |
| Maximum refresh rate | 100 Hz |
| Contrast ratio (typical) | 1000:1 |
| Screen curvature rating | 1500R |
| Screen shape | Curved |
| Response time measurement type | GTG (Gray to Gray) |
| Response time | 5 ms |
| Display brightness (typical) | 250 cd/m² |
| Panel type | VA |
| HD type | Full HD |
| Touchscreen | No |
| Display technology | LED |
| Native aspect ratio | 16:9 |
| Display resolution | 1920 x 1080 pixels |
| Display diagonal | 68.6 cm (27") |
Performance
| Flicker-free technology | Yes |
|---|
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Multimedia
| Built-in camera | No |
|---|---|
| Built-in speaker(s) | No |
Design
| Product colour | Black |
|---|---|
| Market positioning | Consumer |
Ports & interfaces
| HDCP version | 2.2 |
|---|---|
| HDCP | Yes |
| Headphone out | Yes |
| HDMI version | 2.0 |
| HDMI ports quantity | 1 |
| HDMI | Yes |
| USB Power Delivery up to | 15 W |
| USB Power Delivery (USB PD) | Yes |
| Built-in USB hub | No |
Ergonomics
| Tilt adjustment | Yes |
|---|---|
| Height adjustment | No |
| Panel mounting interface | 100 x 100 mm |
| VESA mounting | Yes |
Power
| Power supply type | External |
|---|---|
| AC input frequency | 50/60 Hz |
| AC input voltage | 100 - 240 V |
| Power consumption (off) | 0.3 W |
| Power consumption (typical) | 17 W |
Weight & dimensions
| Weight (without stand) | 3.02 kg |
|---|---|
| Height (without stand) | 360.3 mm |
| Depth (without stand) | 43.7 mm |
| Width (without stand) | 609.6 mm |
| Weight (with stand) | 3.72 kg |
| Height (with stand) | 451.5 mm |
| Depth (with stand) | 170 mm |
| Width (with stand) | 609.6 mm |
Packaging content
| Quick start guide | Yes |
|---|---|
| Screws included | Yes |
| Power adapter included | Yes |
| Cables included | AC, HDMI |
| Stand included | Yes |
Other features
| Warranty period | 2 year(s) |
|---|---|
| Brand specific technologies | Black Stabilizer |
| Country of origin | China |
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
- Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.
