Dahua Technology LM25-B221B 25″ 144Hz Monitor

25 inch · 1920 x 1080 · 144 Hz · IPS

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Screen size 25 inch
Resolution 1920 x 1080
Refresh rate 144 Hz
Panel IPS

Dahua Technology LM25-B221B 25″ 144Hz Monitor is a 25-inch monitor with 1920 x 1080 resolution, a 144 Hz refresh rate and IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-07-28

Specifications

Key specs

Screen size: 25 inch
Resolution: 1920 x 1080
Refresh rate: 144 Hz
Panel: IPS
Released: 2025-07-28
Part number: DHI-LM25-B221B
EAN / UPC: 6937552404779

Display

Display diagonal: 62.2 cm (24.5")
Display resolution: 1920 x 1080 pixels
HD type: Full HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: IPS
LED backlight: Yes
Backlight type: Edge LED
Display brightness (typical): 300 cd/m²
Response time (MPRT): 1 ms
Screen shape: Flat
Contrast ratio (typical): 1500:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.2832 x 0.2802 mm
Pixel density: 89.91 ppi
Viewable size, horizontal: 47.6 cm
Viewable size, vertical: 26.8 cm
Display diagonal (metric): 62 cm
Haze rate: 25%
Surface hardness: 3H
Colour gamut standard: NTSC
NTSC coverage (typical): 85%

Performance

Low Blue Light technology: Yes

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Design

Product colour: Black
Frameless design: Yes
Front bezel colour: Black
Detachable stand: Yes
Feet colour: Black

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 1
HDMI version: 1.4/2.0
DisplayPorts quantity: 1
Audio output: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Wall mountable: Yes
Tilt adjustment: Yes
Tilt angle range: -5 - 20°
Plug and Play: Yes
LED indicators: Yes

Power

Energy efficiency class (SDR): D
Energy efficiency class (HDR): Not available
Energy consumption (SDR) per 1000 hours: 15 kWh
Power consumption (typical): 19 W
Power consumption (standby): 0.5 W
Power consumption (max): 23.8 W
Power consumption (off): 0.3 W
AC adapter output voltage: 12 V
Power supply type: External
Energy efficiency scale: A to G
Current rating: 2.5 A

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -20 - 60 °C
Operating relative humidity (H-H): 10 - 85%
Storage relative humidity (H-H): 5 - 90%

Weight & dimensions

Width (without stand): 557.7 mm
Depth (without stand): 58.1 mm
Height (without stand): 330.6 mm
Weight (without stand): 2.9 kg
Bezel width (side): 2.1 mm
Bezel width (top): 2.1 mm
Bezel width (bottom): 1.96 cm

Other features

Compliance certificates: CE, Electromagnetic Compatibility (EMC), Low Voltage Directive (LVD)
Mean time between failures (MTBF): 30000 h

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

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LM25-B221B vs similar monitors

	Dahua Technology LM25-B221B 25″ 144Hz Monitor	MSI Pro MP251 E14A	MSI Pro MP251W E14A	Acer EK251Q P6bi
Screen size	25 inch	25 inch	25 inch	25 inch
Resolution	1920 x 1080	1920 x 1080	1920 x 1080	1920 x 1080
Refresh rate	144 Hz	144 Hz	144 Hz	144 Hz
Panel	IPS	IPS	IPS	IPS
Released	2025	2026	2026	2026