Dahua U401A 27″ 4K UHD Monitor 3840×2160 Resolution (DHI-LM27-U401A)

The Dahua U401A 27-inch 4K UHD monitor (DHI-LM27-U401A) is a professional-grade IPS display designed for ultra-high-resolution workflows, including graphic design, content creation, office productivity, and data-intensive tasks. With a sharp 3840×2160 resolution, wide color gamut coverage, and USB-C connectivity with 65W power delivery, it delivers exceptional clarity, color accuracy, and workspace efficiency. Its ergonomic design, frameless display, and advanced multitasking features make it ideal for modern professional environments.

Product Features

Ultra HD 4K Resolution for Maximum Detail

The 3840×2160 UHD resolution provides four times the detail of Full HD, delivering exceptional clarity for professional editing, design work, and productivity tasks.

IPS Panel with Wide Viewing Angles

The IPS technology ensures consistent color accuracy and brightness across 178° viewing angles, making it ideal for collaborative and precision-based work.

Professional Color Accuracy

With up to 100% sRGB, 98% DCI-P3, and 105% NTSC coverage, the monitor delivers rich and accurate colors suitable for designers, photographers, and video editors.

USB Type-C with 65W Power Delivery

The built-in USB-C port supports video, data, and up to 65W reverse power delivery, allowing laptops to be charged while reducing cable clutter.

Smooth 4K Visual Performance

A 60Hz refresh rate combined with optimized response time ensures stable and clear visuals for everyday professional use.

Fully Ergonomic Adjustable Stand

The stand supports height adjustment, tilt, swivel, and pivot rotation, allowing users to customize viewing positions for maximum comfort.

Multi-Device Productivity Features

Supports Picture-in-Picture (PIP) and Picture-by-Picture (PBP) modes for efficient multitasking across multiple devices.

Frameless 3-Sided Design

The ultra-thin bezel design enhances immersion and is ideal for multi-monitor professional setups.

Product Specifications

• Model: DHI-LM27-U401A
• Screen Size: 27 inches
• Panel Type: IPS
• Resolution: 3840 × 2160 (4K UHD)
• Refresh Rate: 60 Hz
• Brightness: 300–320 cd/m²
• Contrast Ratio: 1000:1
• Response Time: 5–6 ms
• Viewing Angle: 178° horizontal, 178° vertical
• Display Colors: 16.7 million
• Color Gamut: 100% sRGB, 98% DCI-P3, 105% NTSC
• Pixel Pitch: Not specified (4K UHD 27-inch class)
• Input Ports: 1 × HDMI 2.1, 1 × DisplayPort 1.4
• USB Ports: USB HUB with Type-C support
• USB Type-C: 65W Power Delivery (reverse charging supported)
• Multi-View: PIP (Picture-in-Picture), PBP (Picture-by-Picture)
• Ergonomics: Height, tilt, swivel, and pivot adjustable stand
• Tilt Range: -5° to +21°
• Height Adjustment: 130 mm
• Viewing Angle: 178° horizontal and vertical
• VESA Mount: Supported (standard 100 × 100 mm typical class)
• Design: 3-sided frameless IPS panel
• Power Features: USB-C power delivery up to 65W
• Usage: Professional work, design, content creation, office productivity, multitasking workloads