LG 34U620B-B 34″ 144Hz Monitor

34 inch · 3440 x 1440 · 144 Hz · VA

See today's price, delivery and offers at the store.

Screen size 34 inch
Resolution 3440 x 1440
Refresh rate 144 Hz
Panel VA
Response time 5 ms

LG 34U620B-B 34″ 144Hz Monitor is a 34-inch monitor with 3440 x 1440 resolution, a 144 Hz refresh rate and VA panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-03-14

Specifications

Key specs

Screen size: 34 inch
Resolution: 3440 x 1440
Refresh rate: 144 Hz
Panel: VA
Response time: 5 ms
Released: 2026-03-14
Part number: 34U620B-B.AEK
EAN / UPC: 8806096820742

Display

Display diagonal: 86.4 cm (34")
Display resolution: 3440 x 1440 pixels
HD type: Wide Quad HD
Native aspect ratio: 21:9
Display technology: LED
Panel type: VA
Display brightness (typical): 300 cd/m²
Response time: 5 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Curved
Screen curvature rating: 1800R
Supported video modes: 480p, 720p, 1080p, 2160p
Contrast ratio (typical): 4000:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.23175 x 0.23175 mm
Pixel density: 110 ppi
Display diagonal (metric): 86 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10), HDR Effect
Colour gamut standard: sRGB
sRGB coverage (typical): 99%
Factory-calibrated: Yes

Performance

AMD FreeSync: Yes
AMD FreeSync type: FreeSync Premium
Smart modes: Energy saving

View all specifications +7 more sectionsShow fewer specifications

Design

Product colour: Black

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Built-in KVM switch: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Height adjustment: Yes
Tilt adjustment: Yes
Picture-in-Picture: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 30 kWh
Energy consumption (HDR) per 1000 hours: 39 kWh
Power consumption (off): 0.3 W
Power consumption (PowerSave): 0.5 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: External
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -20 - 60 °C
Operating relative humidity (H-H): 0 - 80%
Storage relative humidity (H-H): 0 - 85%

Weight & dimensions

Width (with stand): 809.1 mm
Depth (with stand): 220 mm
Height (with stand): 464.4 mm
Weight (with stand): 7.7 kg
Width (without stand): 809.1 mm
Depth (without stand): 91.5 mm
Height (without stand): 359 mm
Weight (without stand): 5.6 kg

Other features

Brand specific technologies: Black Stabilizer, Crosshair, Super+ Resolution
Warranty period: 1 year(s)

Check the manufacturer's page before buying.

Ready to buy? Get the LG 34U620B-B 34″ 144Hz Monitor at today's price.Buy now

About this product

Widescreen Workflows Made Effortless Upgrade your desktop setup with a curved 34" 21:9 UltraWide™ WQHD display that lets you see more at once. Enjoy smooth 144Hz visuals, vibrant HDR color, and a sleek, narrow-bezel design—perfect for on-screen multitasking, creativity, and everyday comfort. Curved 21:9 UltraWide™ WQHD Display The 21:9 UltraWide™ WQHD (3440×1440) display gives you room to work across multiple apps at once—reducing window switching and improving focus. The subtle 1800R curve follows your natural line of sight for comfortable long sessions, while the sleek design keeps your workspace open, clean, and distraction-free. Up to 99% sRGB Color Coverage Up to 99% sRGB coverage and HDR10 support deliver balanced color and smooth tonal transitions across documents, media, and HDR content. The IPS screen keeps visuals consistent across wide viewing angles, helping maintain clarity and comfort during long work sessions. Essential Connectivity With DisplayPort, two HDMI and headphone jack, it’s easy to connect essential gear and peripherals for a cleaner desk and smoother workflows.

User manual (PDF)

34U620B-B vs similar monitors

	LG 34U620B-B 34″ 144Hz Monitor	LG 34 Inch UltraWide WQHD 144Hz HDR10 Curved Computer Monitor with AMD FreeSync Premium	LG 34U640B-B 34″ 144Hz Monitor	LG UltraWide U6 34U640B-B.AEK, 34-inch WQHD Curved (1800R) 144Hz Monitor
Screen size	34 inch	34 inch	34 inch	34 inch
Resolution	3440 x 1440	3440 x 1440	3440 x 1440	3440 x 1440
Refresh rate	144 Hz	144 Hz	144 Hz	144 Hz
Panel	VA	VA	VA	VA
Response time	5 ms	5 ms	5 ms	5 ms
Released	2026	2026	2026	2026