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Overview

Experience immersive visuals with the LG 27-inch monitor. Enjoy smooth, lag-free gaming with a 5ms response time and 100Hz refresh rate. The 99% sRGB colour accuracy ensures vibrant, true-to-life colours, while flicker-free technology reduces eye strain. With a 178-degree viewing angle and adjustable tilt stand, you’ll enjoy an optimal viewing experience in any setting.

LG 27" FHD 100Hz 5ms GTG Curved VA LCD Monitor (27U421A-B) - Black

Model: 27U421A-B
Web Code: 19265651
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For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • Power Adapter with Cord (Black)
  • HDMI 2.1 cable (Black)
  • 27-inch, 1500R curved display screen with full HD (1920 x 1080) resolution and 16:9 aspect ratio, offers an immersive viewing experience
  • 5ms response time and 100Hz refresh rate provide smooth, lag-free visuals
  • Dynamic action sync and black stabilizer allow you to enjoy smooth gaming
  • sRGB 99% (Typ.) colour gamut provides highly accurate and vibrant colour reproduction
  • 178-degree (H) and 178-degree (V) viewing angles ensure consistent, clear visuals from virtually any direction
  • Reader mode adjusts the colour temperature and brightness for a comfortable reading experience
  • Flicker safe feature gives you a more comfortable viewing experience, especially during prolonged use
  • Ergonomic design with slim bezel on three sides helps create a comfortable and efficient workspace
  • One HDMI (v2.2) HDCP 2.2, one USB-C HDCP 2.2, 15W PD, and one HP three-pole (sound only) offer versatile connectivity options
  • Tilt stand offers adjustable viewing angles for better positioning during use
  • 100mm x 100mm VESA compatibility enables easy and flexible mounting on various compatible wall mounts and stands
Product Condition
Brand New
ENERGY STAR certified
Yes

Display

Screen Size
27 in
Resolution
1080p HD
Native Resolution
1920 x 1080
Aspect Ratio
16:9
Display Type
LCD
Backlight Type
LED
Touchscreen
No
Viewing Angle
178º(R/L), 178º(U/D)
Response Time (Grey-to-Grey)
5 ms
Refresh Rate
100 Hz
Brightness
250 cd/m²
Dynamic Contrast Ratio
3000:1 (Typ.)
Static Contrast Ratio
2400:1 (Min.)
Colour Gamut
sRGB 99% (CIE1931)
3D Video Support Built-in
No
Built-In TV Tuner
No

Panel

Panel Technology
VA
Panel Type
VA
Curved
Yes

Audio

Built-in Speakers
No

Inputs/Outputs

Input/Output Types
1 x HDMI (v2.2) HDCP 2.2; 1 x USB-C HDCP 2.2, 15W PD; 1 x HP 3-Pole (sound only)
Built-In Webcam
No
HDCP Support
Yes

Power

Typical Consumption
17 W
Stand-By Consumption
0.3 W
Auto Off
Yes
Energy Saving Mode
Yes

Stand/Mount Features

Tilt Adjustment
Yes
Swivel Adjustment
No
Height Adjustment
No
Rotate to Portrait
No
VESA Mountable
Yes
VESA Sizes Supported
100 x 100
Other Features
USB-C Port with 15W Power Delivery Charge; LG Switch App; Flicker-safe; Reader and Colour Weakness Modes; Black Stabilizer and Dynamic Action Sync for smooth gaming

Physical Features

Colour
Black
Dimensions with Stand (cm)
60.9 (W) x 45.1 (H) x 17 (D) cm
Dimensions with Stand (in)
23.98 (W) x 17.76 (H) x 6.69 (D) in
Dimensions without Stand (cm)
60.9 (W) x 36.0 (H) x 4.4 (D) cm
Dimensions without Stand (in)
23.98 (W) x 14.17 (H) x 1.73 (D) in
Weight (With Stand)
3.7 kg
Weight (Without Stand)
3.0 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Information about the manufacturer’s availability guarantee can be found .