Dahua U401A 27″ 4K UHD Commercial Monitor (DHI-LM27-U401A)

The Dahua U401A 27-inch 4K UHD monitor delivers stunning ultra-high-definition visuals with exceptional color accuracy, making it ideal for creative professionals, designers, and office environments that demand precision. Equipped with an IPS panel and a sleek three-sided frameless design, this monitor ensures wide viewing angles, rich connectivity options including USB HUB and Type-C with 65W power delivery, and adjustable height and tilt for ergonomic comfort.

Product Features

4K UHD Resolution

With a 3840 × 2160 resolution, the monitor provides crystal-clear details, sharp text, and vivid visuals, perfect for professional applications and multimedia content.

IPS Panel with Wide Viewing Angles

The IPS panel offers consistent color reproduction and 178° horizontal and vertical viewing angles, allowing multiple viewers to see accurate visuals from any perspective.

High Color Accuracy and Wide Gamut

Supports 1.07B colors with 85% NTSC, 100% sRGB, and 98% DCI-P3 coverage, delivering vibrant and precise color performance for professional workflows.

HDR Support

HDR functionality enhances contrast and color depth, providing more lifelike and immersive visuals for video editing, gaming, and creative projects.

Versatile Connectivity

Includes HDMI 2.0, DP 1.4, Type-C (65W power delivery), USB-B, and dual USB-A ports, along with an audio output, supporting diverse devices and reducing desktop clutter.

Adjustable Ergonomic Stand

The stand supports height adjustment (130 mm), tilt, swivel, and 90° pivot rotation, ensuring comfortable viewing positions for prolonged use.

Eye Comfort Technologies

Software-based low blue light and anti-flicker technology reduce eye strain during extended periods of work.

Product Specifications

• Model: DHI-LM27-U401A
• Screen Size: 27 inch
• LCD Technology: IPS
• Backlight: ELED
• Aspect Ratio: 16:9
• Resolution: 3840 × 2160
• Pixel Pitch: 0.1554 mm × 0.1554 mm
• Pixels Per Inch: 163.18
• Viewing Angle: 178° horizontal / 178° vertical
• Screen-to-Body Ratio: ≥90%
• Refresh Rate: 60 Hz
• Display Colors: 1.07 billion (8-bit + Hi_FRC)
• Color Gamut: 85% NTSC, 100% sRGB, 98% DCI-P3
• Brightness: 300 cd/m² (typical)
• Contrast Ratio: 1000:1
• Response Time: 5 ms (OD)
• Surface Treatment: Haze 25%, 3H
• Low Blue Light: Software protection
• HDR: Yes
• Input Ports: 1 × HDMI 2.0, 1 × DP 1.4, 1 × Type-C (65 W), 1 × USB-B, 2 × USB-A
• Output Port: 1 × Audio out
• Power Supply: 24 VDC, 5 A
• Power Type: External adapter
• Power Consumption: 25 W (basic), 60 W (typical), 120 W (maximum)
• Standby Power Consumption: <0.5 W
• Tilt Angle: -3° to 21°
• Swivel Angle: -30° to +30°
• Pivot Rotation: -90° to +90°
• Height Adjustment: 130 mm
• VESA Mount: 100 mm × 100 mm
• Product Dimensions: 613.7 mm × 366.7 mm × 52.7 mm (without wall mount)
• Net Weight: 5.4 kg
• Gross Weight: 7.6 kg
• Operating Temperature: 0 °C to +40 °C
• Operating Humidity: 10%–85% RH
• Storage Temperature: –20 °C to +60 °C
• Storage Humidity: 5%–90% RH
• Accessories Included: Power cord, power adapter, base, HDMI cable, Type-C cable, user manual, QSG, legal and regulatory information
• Certifications: CE EMC, CE LVD, CE ERP