LG

40U990A-W UltraWide Monitor

40-inch Nano IPS Black UltraFine monitor with 5120 × 2160 resolution and up to 120Hz refresh rate.

Brand: LG
Category: Monitors
Brand focus: Monitors · Displays
Supply: Pricing and availability on request

Individual models and specifications are listed on the brand page. Contact our sales team for availability and trade pricing.

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LG DISPLAY TECHNOLOGY

Product overview

View official LG specifications

The LG 40U990A-W is a premium UltraFine display for creative studios and demanding professional desks. Its 40-inch Nano IPS Black panel delivers 5K2K resolution, while Thunderbolt 5 connectivity and up to 96W power delivery simplify compatible laptop workstations. DisplayHDR 600 and a 120Hz refresh rate make it a versatile choice for high-resolution editing and multitasking.

Thunderbolt 5DisplayHDR 60096W power delivery

Technical specifications

Specifications of LG 40U990A-W
Model	40U990A-W
Display size	40 inches
Display resolution	5120 × 2160
Panel technology	Nano IPS Black
Maximum refresh rate	120 Hz
Aspect ratio	21:9
Connectivity highlight	Thunderbolt 5

Additional technical details

Additional specifications for LG 40U990A-W
Typical brightness	450 cd/m²
Color gamut (typical)	DCI-P3 99%
Contrast ratio (typical)	2000:1
Response time	5 ms GtG
Curvature	2500R
DisplayHDR	DisplayHDR 600
Adaptive sync	FreeSync Premium
Built-in speakers	2 × 10 W
Typical on-mode power	45 W
Stand adjustments	Tilt / height / swivel
VESA mount	100 × 100 mm
Dimensions with stand (W × H × D)	947.7 × 614.3 × 260 mm
Weight with stand	14.1 kg

Core characteristics are checked against official LG model pages when available. Additional specifications are transcribed from the supplied LG specification workbook; market versions may differ.