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LG 40 inch UltraFine 5K2K WUHD Nano IPS Black Monitor with Thunderbolt 5 PD 96W

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40" 5K2K WUHD (5120 x 2160) Nano IPS Black
Curved (2500R) Display
Thunderbolt 5 with PD 96W
VESA DisplayHDR 600 & DCI-P3 99%
Built-in Speaker with Rich Bass
Tilt/Height/Swivel Adjustable Stand & Built-in Power
Thunderbolt 5x2, USB-Cx4, HDMI2.1x2, DisplayPort2.1x1

Overview

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LG 40U990A-W 40-inch Ultrafine 5K2K WUHD (5120 x 2160) Nano IPS Curved Monitor, Thunderbolt 5, DisplayHDR 600, Built-in Power, Speaker, 120Hz, HDMI 2.1, DP 2.1, USB C, Tilt/Height/Swivel Stand, White

Model
Brand	LG
Series	UltraFine
Model	40U990A-W.AUS
Cabinet Color	Silver

Display
Screen Size	40"
Widescreen	Yes
Resolution	5120 x 2160 (5K)
Refresh Rate	120Hz
Viewing Angle	178° (H) / 178° (V)
Monitor Pixel Density	0.1815mm
Display Colors	1.06 Billion
Brightness	450 cd/m2
Contrast Ratio	2000:1
Aspect Ratio	21:9
Response Time	5ms (GtG at Faster)
Panel	Nano IPS
Color Gamut	DCI-P3 99% (CIE1976)
HDR Standard	HDR10
VESA Certified DisplayHDR	DisplayHDR 600
Adaptive Sync Technology	FreeSync Premium (AMD Adaptive Sync)
Curved Surface Screen	Curved
Curvature Radius	2500R

Connectivity
Video Ports	1 x DisplayPort 2.1 / 2 x HDMI 2.1 / 2 x Thunderbolt 5 (In 1ea / Out 1ea)
USB Ports	5 x USB Type-C (1Up / 4Down)
Headphone	4-pole (Mic + Sound)

Power
Power Supply	100 - 240 VAC, 50/60Hz
Power Consumption	Power Save/Sleep Mode (Max): Less than 1.2W DC Off (Max): Less than 0.3W

Convenience
Stand Adjustments	Height, Swivel, Tilt
Built-in Speakers	Yes
VESA Compatibility - Mountable	100 x 100mm

Features
Features	HDR Effect Nano IPS Technology Factory Calibrated H/W Calibration Ready VRR Auto Brightness Flicker Safe Reader Mode Color Weakness Mode Super Resolution + Black Stabilizer Dynamic Action Sync User Define Key Auto Input Switch Live Color Low Blue Light Smart Energy Saving 2PBP PIP Built-in KVM LG Calibration Studio (True Color Pro) Yes Dual controller LG Switch

Dimensions & Weight
Dimensions	24.2" x 37.3" x 10.2" with stand 16.5" x 37.3" x 4.2" without stand
Weight	31.1 lbs. with stand 20.3 lbs. without stand

Packaging
Package Contents	DisplayPort Cable HDMI Cable USB Type-C Cable Thunderbolt

Additional Information
First Listed on Newegg	September 08, 2025

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Return for replacement within: non-replaceable
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LG 40 inch UltraFine 5K2K WUHD Nano IPS Black Monitor with Thunderbolt 5 PD 96W

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Item#: 9SIAD6HKJV5650

Meet Your Seller

LG 40 inch UltraFine 5K2K WUHD Nano IPS Black Monitor with Thunderbolt 5 PD 96W

Learn more about the LG Electronics 40U990A-W.AUS

Customer Reviews of the LG Electronics 40U990A-W.AUS

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info