Out of stock

This item is currently out of stock and it may or may not be restocked.

Out of Stock

Sold by Newegg

Shipped by Newegg

Images from RETAIL item, box contents may vary.

LG UltraGear 39" WQHD 2K 1440P 240Hz FreeSync Premium & G-Sync Compatible 0.03ms HDR400 USB-C Built-in Speakers white Curved Gaming Computer Monitor Height Adjustable, Swivel & Tilt Stand 39GX90SA-W

OPEN BOX

The 240Hz OLED Smart Gaming Monitor that’s Ahead of the (800R) Curve - The 39” WQHD OLED with a steep 800R curve and 1300-nit peak brightness pulls you deep into the action, while a 240Hz refresh rate and 0.03ms response time keep gameplay insanely fast and smooth. Plus, LG’s webOS lets you stream your favorites and cloud game—all from one epic screen.
Up to 240Hz & 0.03ms – Outrageous OLED Gaming Speed - Game at the speed of OLED with an ultra-fast 240Hz and near instantaneous 0.03ms (GtG) response time. The faster speed lets you respond quickly to opponents and enjoy smoother scenes with less lag or ghosting.
Your Favorite Streaming Services Plus Cloud Gaming - Thanks to webOS24, find your favorites fast with built-in access to Netflix, Prime Video, the Apple TV app, Disney+, HBO Max. And over 300 free LG Channels with everything from comedy to movies to sports. Game without a PC or console! Connect to your favorite cloud gaming services such as NVIDIA GeForce NOW, Amazon Luna, and Blacknut directly from the webOS home screen.
Ultimate Frame Sync: FreeSync Premium & G-SYNC Compatible - Say goodbye to screen tearing and stutter. With AMD FreeSync Premium and NVIDIA G-SYNC compatibility, this OLED monitor delivers ultra-smooth, tear-free visuals, giving you perfect frame sync across PC and next-gen console gaming.

The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.

Overview

Specs

Any questions? Our AI beta will help you find out quickly.

Try me now

System Spec
OS Support	webOS

Display
Screen Size	39"
Glare Screen	Low Glare
Panel	OLED
Display Type	WQHD
Adaptive Sync Technology	FreeSync Premium & G-Sync Compatible
Resolution	3440 x 1440
Viewing Angle	178° (H) / 178° (V)
Aspect Ratio	21:9
Brightness	275 cd/m2
Contrast Ratio	1,500,000:1
Response Time	0.03 ms
Display Colors	1.07 Billion
Monitor Pixel Density	0.303mm x 0.303mm
Refresh Rate	240Hz
HDR Standard	HDR10
VESA Certified DisplayHDR	DisplayHDR True Black 400
Curved Surface Screen	Curved
Curvature Radius	800R

Connectivity
HDMI	2 x HDMI 2.1
DisplayPort	1 x DisplayPort 1.4
Video Ports	1 x DisplayPort 1.4 / 1 x USB-C (DP Alternative) / 2 x HDMI 2.1
Headphone	3.5mm headphone jack

Power
Power Supply	100 - 240 VAC, 50/60Hz
Power Consumption	Power Save/Sleep Mode (Max): Less than 0.5W DC Off (Max): Less than 0.5W

Convenience
Stand Adjustments	Height, Swivel, Tilt
Built-in Speakers	2 x 7W
Built-in Webcam	No
VESA Compatibility - Mountable	100 x 100mm
Features	HDR Effect Factory Calibrated VRR Auto Brightness Reader Mode Black Stabilizer Dynamic Action Sync Crosshair FPS Counter User Define Key Smart Energy Saving PIP 2PBP RGB LED Lighting: Hexagon Lighting LG Switch

Dimensions & Weight
Dimensions	With Stand: 34.95" W x 23.85" H x 12.71" D. Without Stand: 34.9" W x 15.9" H x 7.8" D.
Weight	Weight with Stand: 25.2 lbs. Weight without Stand: 16.1 lbs.

Additional Information
First Listed on Newegg	September 27, 2025

Warranty & Returns