LG 34U511A-B 34″ 100Hz Monitor

34 inch · 2560 x 1080 · 100 Hz · IPS

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Screen size 34 inch
Resolution 2560 x 1080
Refresh rate 100 Hz
Panel IPS
Response time 1 ms

LG 34U511A-B 34″ 100Hz Monitor is a 34-inch monitor with 2560 x 1080 resolution, a 100 Hz refresh rate and IPS panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2025.

Released: 2025-06-13

Specifications

Key specs

Screen size: 34 inch
Resolution: 2560 x 1080
Refresh rate: 100 Hz
Panel: IPS
Response time: 1 ms
Released: 2025-06-13
Part number: 34U511A-B
EAN / UPC: 8806096520826

Display

Display diagonal: 86.4 cm (34")
Display resolution: 2560 x 1080 pixels
HD type: WFHD
Native aspect ratio: 21:9
Display technology: LED
Panel type: IPS
LED backlight: Yes
Backlight type: Edge-Lit
Display brightness (peak): 320 cd/m²
Response time: 1 ms
Screen shape: Flat
Contrast ratio (typical): 1000:1
Maximum refresh rate: 100 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.3124 x 0.31 mm
Pixel density: 96 ppi
Display diagonal (metric): 87 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: HDR Effect, High Dynamic Range (HDR) 400
Colour gamut standard: sRGB
Colour gamut: 99%

Performance

Flicker-free technology: Yes
Smart modes: Energy saving

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Design

Market positioning: Office
Product colour: Black

Ports & interfaces

Built-in USB hub: Yes
Number of USB Type-C upstream ports quantity: 1
HDMI: Yes
HDMI ports quantity: 1
DisplayPorts quantity: 1
DisplayPort out version: 1.4
DisplayPort version: 1.4
Headphone out: Yes
HDCP: Yes
HDCP version: 2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Swivelling: Yes
Tilt adjustment: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 28.9 kWh
Energy consumption (HDR) per 1000 hours: 39.6 kWh
Power consumption (typical): 31 W
Power consumption (standby): 0.5 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Energy efficiency scale: A to G
Annual energy consumption: 45 kWh

Weight & dimensions

Width (with stand): 816.5 mm
Depth (with stand): 220 mm
Height (with stand): 486.7 mm
Weight (with stand): 7.6 kg
Width (without stand): 816.5 mm
Depth (without stand): 45.5 mm
Height (without stand): 365.3 mm
Weight (without stand): 6 kg

Other features

Brand specific technologies: Black Stabilizer, Crosshair
Motion blur reduction: Yes
Energy efficiency class (legacy scale): A

Check the manufacturer's page before buying.

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About this product

21:9 UltraWide Full HD Display See more, do more The UltraWide Full HD (2560×1080) display provides more horizontal screen space than a standard FHD (1920×1080) monitor. The virtually bezel-less design offers an uninterrupted, wider view. This allows for more efficient multitasking without switching between windows. VESA Display HDR 400 Clarity that keeps you focused Supports VESA DisplayHDR 400, offering improved brightness and contrast for clearer detail in HDR content. IPS Display LG IPS monitor displays outstanding color accuracy with a wide viewing angle. VESA Display HDR 400 HDR400 (high dynamic range) supports specific levels of color and brightness. sRGB 99% (Typ.) With 99% coverage of the DCI-P3 spectrum, it is a great solution for accurate color display. Color calibrated Ensures precise and consistent color reproduction. LG Switch app Switch swiftly You can readily divide the whole display into up to 6 sections, change the theme design, or even launch a video call platform with a mapped hotkey. It also supports PBP and PIP modes for efficient multitasking across multiple input sources.

User manual (PDF)

34U511A-B vs similar monitors

	LG 34U511A-B 34″ 100Hz Monitor	LG 34BF550B-W 34″ 100Hz Monitor	Acer SH272U G0	ASUS EyeCare VU279HFI-W
Screen size	34 inch	34 inch	27 inch	27 inch
Resolution	2560 x 1080	2560 x 1080	2560 x 1440	1920 x 1080
Refresh rate	100 Hz	100 Hz	100 Hz	100 Hz
Panel	IPS	IPS	IPS	IPS
Response time	1 ms	5 ms	1 ms	1 ms
Released	2025	2026	2026	2026