Dahua Technology LM27-B221 27″ 144Hz Monitor

27 inch · 1920 x 1080 · 144 Hz · IPS

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Screen size 27 inch
Resolution 1920 x 1080
Refresh rate 144 Hz
Panel IPS

Dahua Technology LM27-B221 27″ 144Hz Monitor is a 27-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: 2025-11-16

Specifications

Key specs

Screen size: 27 inch
Resolution: 1920 x 1080
Refresh rate: 144 Hz
Panel: IPS
Released: 2025-11-16
Part number: DHI-LM27-B221

Display

Display diagonal: 68.6 cm (27")
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): 250 cd/m²
Response time (MPRT): 1 ms
Screen shape: Flat
Supported graphics resolutions: 1920 x 1080 (HD 1080)
Supported video modes: 1080p
Contrast ratio (typical): 1200:1
Maximum refresh rate: 144 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.3114 x 0.3114 mm
Pixel density: 81.59 ppi
Viewable size, horizontal: 59.8 cm
Viewable size, vertical: 33.6 cm
Display diagonal (metric): 69 cm
Haze rate: 25%
Surface hardness: 3H
Colour gamut standard: NTSC
NTSC coverage (typical): 72%

Performance

Low Blue Light technology: Yes

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Design

Market positioning: Office
Product colour: Black
Front bezel colour: Black
Feet colour: Black

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 1
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 75 x 75 mm
Wall mountable: Yes
Tilt adjustment: Yes
Tilt angle range: -5 - 15°
Plug and Play: Yes

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): Not available
Energy consumption (SDR) per 1000 hours: 21 kWh
Power consumption (typical): 27 W
Power consumption (standby): 0.5 W
Power consumption (max): 29 W
Power consumption (off): 0.3 W
AC input voltage: 240 V
Input current: 3 A
AC adapter output voltage: 12 V
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): 10 - 85%
Storage relative humidity (H-H): 5 - 90%

Weight & dimensions

Width (with stand): 614.1 mm
Depth (with stand): 183.9 mm
Height (with stand): 458.4 mm
Width (without stand): 614.1 mm
Depth (without stand): 45.1 mm
Height (without stand): 363 mm
Weight (without stand): 3.84 kg
Bezel width (side): 1.9 mm
Bezel width (top): 1.9 mm
Bezel width (bottom): 1.61 cm

Other features

E-manual: Yes
Compliance certificates: CE, Electromagnetic Compatibility (EMC), Low Voltage Directive (LVD)

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

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LM27-B221 vs similar monitors

	Dahua Technology LM27-B221 27″ 144Hz Monitor	Samsung 27 Inch Essential Monitor G3 G31H FHD 144Hz	Samsung S27HG322EU 27″ 144Hz Monitor	Samsung G32H 27″ 144Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 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