Dahua U401A 27’’4K UHD Monitor LM27-U401A

The Dahua LM27-U401A 27-inch 4K UHD Monitor delivers exceptional image clarity and professional-grade connectivity for modern workstations. Its 3840 × 2160 Ultra HD resolution provides four times the pixel count of Full HD, allowing users to view fine details, work with multiple windows, and enjoy sharp text and images.

Equipped with an IPS panel, the monitor provides consistent colours and wide 178° horizontal and vertical viewing angles. Furthermore, it supports 1.07 billion colours, 100% sRGB and a wide colour gamut, making it suitable for graphics, content creation, office applications, CCTV monitoring, multimedia, and other visually demanding tasks.

The display operates at up to 60Hz with a 5ms response time. It also supports HDR, helping improve visual detail and providing a more immersive viewing experience with compatible content. The monitor delivers typical brightness of 300 cd/m² and a 1000:1 contrast ratio.

One of the key advantages of the Dahua U401A is its extensive connectivity. It includes HDMI 2.0 and DisplayPort 1.4, both supporting 3840 × 2160 resolution at 60Hz. In addition, the USB Type-C port supports up to 65W power delivery, allowing compatible laptops to transmit video while receiving power through a single USB-C connection. Two USB-A ports and one USB-B port provide additional connectivity for peripherals.

For improved workplace ergonomics, the stand supports height adjustment up to 130mm, approximately -30° to +30° swivel, -90° to +90° pivot, and -3° to 21° tilt adjustment. Therefore, users can easily position the screen for comfortable landscape or portrait viewing.

Key Features

• 27-inch 4K UHD IPS display
• 3840 × 2160 resolution
• 60Hz refresh rate
• 5ms response time
• HDR support
• 300 cd/m² typical brightness
• 1000:1 contrast ratio
• 1.07 billion display colours
• 100% sRGB colour gamut
• 178° horizontal / 178° vertical viewing angles
• 1 × HDMI 2.0
• 1 × DisplayPort 1.4
• 1 × USB Type-C with 65W Power Delivery
• 2 × USB-A ports
• 1 × USB-B port
• 1 × Audio output
• Low blue light technology
• 130mm height-adjustable stand
• Tilt, swivel and pivot adjustment
• 100 × 100mm VESA mounting
• Three-sided slim bezel design

Ideal Applications

The Dahua LM27-U401A 4K Monitor is well suited for:

• Professional office workstations
• Graphic design and content creation
• CCTV and security monitoring
• Financial and data analysis
• Video and photo editing
• Home offices
• Business and corporate environments
• Multi-window productivity
• Laptop workstations using USB-C

Its combination of 4K UHD resolution, IPS technology, USB-C 65W power delivery, HDR support and ergonomic adjustments makes the Dahua U401A an excellent choice for users looking for a versatile 27-inch professional monitor.

Model: DHI-LM27-U401A
Screen Size: 27 Inch
Panel Type: IPS
Resolution: 3840 × 2160 (4K UHD)
Refresh Rate: 60Hz
Response Time: 5ms
Brightness: 300 cd/m²
Contrast Ratio: 1000:1
Connectivity: HDMI 2.0, DP 1.4, USB-C 65W, USB-A × 2, USB-B, Audio Out
VESA Mount: 100 × 100mm
Colour: Black

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