LG 27UL550-W 27-inch 4K IPS Monitor – HDR10, FreeSync

The LG 27UL550-W 27-inch 4K IPS Monitor combines high-resolution picture quality with flexible connectivity and an ergonomic design. Its 3840 × 2160 4K UHD resolution provides detailed images and additional screen space, making it suitable for office work, content creation, photo and video viewing, entertainment and everyday computing.

The IPS panel supports 98% of the sRGB color gamut and 1.07 billion colors, helping deliver rich and consistent color reproduction. With a typical brightness of 300 cd/m², 1000:1 contrast ratio and wide 178° viewing angles, the monitor provides clear visuals from different viewing positions.

For HDR content, the monitor supports HDR10, allowing compatible content to display a wider range of brightness and colors. The monitor also includes factory color calibration for improved color accuracy.

Gaming is supported through AMD FreeSync, which helps reduce screen tearing and stuttering with compatible graphics hardware. Features such as Dynamic Action Sync and Black Stabilizer provide additional options for gaming, while the 5ms GtG response time helps maintain responsive on-screen performance.

The LG 27UL550-W provides two HDMI ports and one DisplayPort 1.4, along with a headphone-out connection. It also supports HDCP 2.2 for compatible 4K content sources.

For comfortable positioning, the ergonomic stand supports height, pivot and tilt adjustment. A 100 × 100mm VESA mounting pattern is also available for compatible monitor arms and wall mounts. Features such as Flicker Safe, Reader Mode and Smart Energy Saving add convenience for everyday use.

Highlights / Key Features

• 27-inch 4K UHD IPS display
• 3840 × 2160 resolution
• 60Hz refresh rate
• 5ms response time (GtG at Faster)
• 98% sRGB color gamut
• HDR10 support
• 300 cd/m² typical brightness
• 1000:1 typical contrast ratio
• 1.07 billion colors
• 178° horizontal and vertical viewing angles
• Anti-glare screen with 3H surface treatment
• AMD FreeSync for smoother gaming
• Factory color calibrated
• Black Stabilizer and Dynamic Action Sync
• Flicker Safe and Reader Mode
• Super Resolution+ and Color Weakness features
• Smart Energy Saving
• OnScreen Control for convenient screen management
• 2 × HDMI and 1 × DisplayPort 1.4
• Headphone-out
• Height, pivot and tilt-adjustable stand
• 100 × 100mm VESA mount support

Specifications