LG 27UK670P-B computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black

The LG 27UK670P-B is a 27-inch 4K Ultra HD LCD monitor with a native resolution of 3840 x 2160 pixels and an IPS panel. The monitor delivers high pixel density and accurate color reproduction across a 16:9 aspect ratio, offering detailed images for productivity, multimedia and gaming. The screen is flat with a 27" diagonal, a typical brightness of 300 cd/m² and a contrast ratio around 1000:1. With a 5 ms response time and 178° viewing angles horizontally and vertically, it maintains consistent color and clarity from various positions. The unit includes a USB Type-C downstream port, supports VESA mounting and provides height adjustment for ergonomic placement. The model is finished in black and does not include built-in speakers.

Advantages

The IPS panel ensures wide viewing angles and reliable color consistency, while the 4K Ultra HD resolution reveals finer detail for images and text. A 5 ms response time helps reduce motion blur during fast-moving content. VESA compatibility and height adjustment make it simple to create an ergonomic workstation. The inclusion of a USB Type-C downstream port enables connection to compatible peripherals and simplifies cable management. Typical brightness of 300 cd/m² provides adequate visibility in normal indoor lighting conditions.

Suitable for

• Office productivity: spreadsheets, documents, and multiple-window workflows
• Photo and video review where accurate color and high resolution matter
• Multimedia consumption: films and streaming in 4K
• Casual and mid-level gaming that benefits from 4K detail and IPS color consistency
• Ergonomic setups using VESA mounting or adjustable stands

Key specifications

• Display diagonal: 27"
• Display resolution: 3840 x 2160 (4K Ultra HD)
• Panel type: IPS LCD
• Aspect ratio: 16:9
• Pixel pitch: 0.155 x 0.155 mm
• Response time: 5 ms
• Typical contrast ratio: 1000:1
• Typical brightness: 300 cd/m²
• Viewing angles: 178° horizontal / 178° vertical
• Screen shape: Flat
• USB Type-C downstream ports: 1
• VESA mounting: Yes
• Built-in speakers: No
• Energy efficiency (SDR): Class F
• Energy consumption (SDR) per 1000 hours: 26 kWh
• Product colour: Black

How to use

Place the monitor on a stable desk surface or attach it to a VESA-compatible arm or bracket. Connect the video source using DisplayPort, HDMI or the USB Type-C downstream port where supported by your device. Adjust the screen height to align the top third of the display with eye level for an ergonomic viewing angle, and set brightness and color settings via the on-screen display to suit ambient lighting. Use the monitor's menu to select the appropriate picture mode for your task (text, photo, movie, etc.). If using external speakers, connect them to your computer since the monitor does not include built-in audio output.

Recommendations

For best results in color-critical work, allow the display to warm up for 30 minutes, calibrate using software and a colorimeter when precise color accuracy is required, and keep firmware and graphics drivers up to date. Maintain moderate brightness in well-lit rooms to conserve energy and prolong panel life.