Dahua Technology DHI-LM40-E331A 40″ 144Hz Monitor

40 inch · 3440 x 1440 · 144 Hz · IPS

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Screen size 40 inch
Resolution 3440 x 1440
Refresh rate 144 Hz
Panel IPS
Response time 6 ms

Dahua Technology DHI-LM40-E331A 40″ 144Hz Monitor is a 40-inch monitor with 3440 x 1440 resolution, a 144 Hz refresh rate and IPS panel. The high refresh rate makes fast games look smoother. It came out in 2023.

Released: 2023-06-22

Specifications

Key specs

Screen size: 40 inch
Resolution: 3440 x 1440
Refresh rate: 144 Hz
Panel: IPS
Response time: 6 ms
Released: 2023-06-22
Part number: DHI-LM40-E331A

Display

Display diagonal: 101.6 cm (40")
Display resolution: 3440 x 1440 pixels
HD type: UltraWide Quad HD
Native aspect ratio: 21:9
Display technology: LED
Panel type: IPS
Backlight type: Edge LED
Display brightness (typical): 350 cd/m²
Response time: 6 ms
Screen shape: Flat
Contrast ratio (dynamic): 1200:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Colour gamut standard: sRGB
Colour gamut: 99%

Design

Market positioning: Home
Product colour: Black

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Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.0
DisplayPorts quantity: 2
DisplayPort version: 1.4

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Height adjustment: Yes
Adjustable height (max): 12 cm
Swivelling: Yes
Swivel angle range: 0 - 30°
Tilt adjustment: Yes
Tilt angle range: -5 - 15°

Power

Power consumption (typical): 62 W
Power consumption (standby): 0.5 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Input current: 2.5 A

Weight & dimensions

Width (with stand): 944.1 mm
Depth (with stand): 82.4 mm
Height (with stand): 418.5 mm
Weight (with stand): 10.6 kg

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DHI-LM40-E331A vs similar monitors

	Dahua Technology DHI-LM40-E331A 40″ 144Hz Monitor	Viewsonic 34” UWQHD 21:9 IPS Curved Monitor with USB-C Hub	LG 34GL750-B 34″ 144Hz Monitor	Lenovo ThinkVision P34WD-40 Monitor
Screen size	40 inch	34 inch	34 inch	34 inch
Resolution	3440 x 1440	3440 x 1440	2560 x 1080	3440 x 1440
Refresh rate	144 Hz	120 Hz	144 Hz	120 Hz
Panel	IPS	IPS	IPS	IPS
Response time	6 ms	5 ms	5 ms	4 ms
Released	2023	2026	2026	2026