
Dahua 27" IPS Gaming Monitor 144Hz 1ms | Full HD | LM27-B221B
The Dahua LM27-B221B (DHI-LM27-B221B) is a 27-inch Full HD (1920 × 1080) IPS monitor with a 144 Hz refresh rate and 1 ms (MPRT) response time. It connects through one HDMI 2.0 port and one DisplayPort 1.4, both able to run 1920 × 1080 at 144 Hz, and it can be wall-mounted with a VESA 100 × 100 mm bracket.


144 Hz for smooth motion: At 144 Hz the screen refreshes 144 times per second, more than twice the rate of a 60 Hz monitor. Fast games and scrolling look smoother, provided your graphics card outputs 144 frames per second over HDMI 2.0 or DisplayPort.
1 ms response time: Dahua rates the response time at 1 ms (MPRT), which reduces blur and ghosting behind fast-moving objects.
IPS panel with wide viewing angles: The IPS panel shows 16.7 million colours with an 85% NTSC colour gamut, and the picture stays consistent from 178° horizontally and vertically. Brightness is 300 cd/m² and the contrast ratio is 1,300:1.
Eye comfort: Low blue light technology is built in for more comfortable viewing during long sessions.
Mounting and stand: The included base tilts from -5° to 20°, and the VESA 100 × 100 mm interface lets you use a wall mount or monitor arm instead.
Good to know
Dahua specifies the colour gamut as 85% NTSC and does not publish an sRGB coverage figure. The monitor is powered by an external power adapter (included).
What's in the Box
Monitor, base (stand), power adapter, HDMI cable.
Technical Specifications
| Model | DHI-LM27-B221B |
| Screen Size | 27 inch, 16:9 |
| Panel Type | IPS |
| Resolution | 1920 × 1080 (Full HD) |
| Refresh Rate | 144 Hz |
| Response Time | 1 ms (MPRT) |
| Brightness | 300 cd/m² |
| Contrast Ratio | 1,300:1 |
| Colour Gamut | 85% NTSC |
| Display Colours | 16.7 million |
| Viewing Angle | 178° (H) / 178° (V) |
| Inputs | 1 × HDMI 2.0, 1 × DisplayPort 1.4 (1920 × 1080 @ 144 Hz) |
| Tilt | -5° to 20° |
| VESA Mount | 100 × 100 mm |
| Dimensions (W × H × D) | 614.3 × 366.8 × 57.2 mm (without wall-mount bracket) |
| Net Weight | 3.7 kg |
📄 Datasheet: Download the official Dahua DHI-LM27-B221B datasheet (PDF)
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