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LG UltraGear OLED Computer Monitor 39-Inch WQHD 240Hz 0.03ms Smart with webOS in Silver - 39GX90SA-W
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Abt Model: 39GX90SA-W
UPC: 195174115329
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LG 39GX90SA-W UltraGear OLED Computer Monitor 39-Inch WQHD 240Hz 0.03ms Smart with webOS in Silver
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.
Key Features
- 39” UltraGear OLED: a 21:9 curved WQHD display that’s built for battle
- Outrageous OLED gaming speed at up to 240Hz and 0.03ms response time
- Easy access to popular streaming apps and cloud gaming services with webOS1
- Seamless frame sync with FreeSync™ Premium and G-SYNC® for stutter-free gaming.
- Stunning and bright OLED visuals with rich color, deep blacks, and 1.5M:1 contrast
- The 39" UltraGear OLED's steep and dramatic 800R curve surrounds you in the action
- webOS brings tailored AI-driven visuals and audio for enhanced gaming experiences2
- Console or PC connectivity: HDMI 2.1, DisplayPort 1.4 and USB Type-C3
Features
- 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.1 - 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. - Bright Picture. Deep Blacks, Brilliant Detail: OLED Gaming FTW
Get lost in vivid visuals with OLED technology, delivering exceptional brightness, up to 98.5% of DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400. Every gaming scene pops with deep blacks, brilliant highlights, and cinematic color. - The 800R Curve: Surround Yourself in the Action
See and feel the action all around you with the dramatic 800R curve. This steep curvature extends your periphery, pulling you deeper into the game and making the action more intense. - Low Glare, More Focus: Play Without Distractions
UL-verified “Flicker-free Display”, “Discomfort Glare Free” and “Low Blue Light Hardware Solution Platinum”, this OLED display keeps your view crisp and colors bold. With advanced anti-glare tech minimizing reflections, you get distraction-free clarity—so you can stay focused and dominate in any lighting. - webOS Gaming: AI tools customize your gaming experience
Experience enhanced gaming in webOS with AI tools. Dynamic Tone Mapping and AI Picture sharpen visuals, while AI Personalized Picture Wizard customizes settings to your taste. AI Sound completes the package, delivering precision-tuned audio for every game or stream.2 - Unlock Your Potential with Advanced Gaming Features
Dynamic Action Sync reduces input lag for real-time response
Black Stabilizer brightens dark scenes to see what's hidden
FPS Counter shows your real-time frame rate
Crosshair enhances precision for deadly accuracy - OLED Protection: 2-Year Limited Warranty & Panel Care Tools
Rest easy knowing your OLED monitor is built to last. The 2-year limited warranty covers key components, including the OLED panel. And OLED Care tools such as pixel cleaning keep your display sharp, for reliable top-tier performance. Please see Warranty Information on this page for all warranty details. - Serious Connectivity for Serious Gamers
For next gen console gaming or PC gaming, with HDMI 2.1, DisplayPort 1.4 and USB Type-C (65W power delivery), UltraGear's versatile connectivity enables high-resolution graphics, and fast, fluid gaming.3 - Customize Your Screen View with the Switch App
The Switch app transforms your screen into a multitasking hub for work, gaming, and streaming. Effortlessly split the screen into up to 6 sections, customize display layouts, or launch video calls with a single hotkey. Navigate smart features with ease and switch seamlessly between your PC and the built-in webOS streaming platform, all with intuitive shortcuts.4 - Battlestation upgrade Adjustable to Gamer Specs
Go big with the virtually borderless 39” OLED screen. UltraGear's sleek, slim design offers adjustable height, tilt, and swivel control for your ideal view, while RGB hexagonal backlighting sets the mood for your battlestation.
Footnotes:
- 1 Internet connection and subscription to streaming services are required. Amazon, Prime Video and all related logos are trademarks of Amazon.com, Inc. or its affiliates. Amazon Prime membership and/or Prime Video fees apply. See primevideo.com/terms for details. HBO Max™ ©2023 Warner Media, LLC. All Rights Reserved. HBO Max is used under license. Number of LG Channels subject to change.
- 2 Internet connection and subscription to streaming services are required.
- 3 Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 240Hz refresh rate support. Graphics card sold separately.
- 4 Software installation required. Visit Support on LG.com to download.
California customers:
General
Color
Silver
Screen Size (in)
39
Display Finish
Anti-glare
Viewing Angle H / V
178°(H) / 178°(V)
Portable
No
Aspect Ratio
21:9
Brightness
1300cd/m2
Curved Screen
Yes
Resolution
WQHD
Pixel Resolution
3440x1440
Refresh Rate
240Hz
Response Time
0.03ms (GtG)
Swivel Adjustment
Yes
HDR
Yes
Color Support
1.07B
USB Port(s)
3
TV Tuner
No
Tilt Adjustment
Yes
Pivot Adjustment
No
Height Adjustment
Yes
Gaming Monitor
Yes
VGA Input
No
DVI Input
No
HDMI Input
Yes
Blue Light Filter
Yes
Energy Star Qualified
No
VESA Compatible
100 x 100
Panel Type
OLED
Ports/Connection Types
2 x HDMI, 1 x DisplayPort, 1 x USB Type-C, 2 x USB-A, 1 x Ethernet, 1 x Headphone Jack
Adaptive Sync Technology
AMD FreeSync Premium, NVIDIA G-Sync
Power Input
100-240V, 50/60Hz
In the Box
UltraGear OLED Monitor, Stand, Remote Control, USB Type-C Cable, DisplayPort Cable, HDMI Cable, Documentation
Approximate Dimensions
Height (in)
23.8
Width (in)
34.9
Depth (in)
12.7
Height Without Stand (in)
15.9
Width Without Stand (in)
34.9
Depth Without Stand (in)
7.8
Package Size HxWxL (in)
14 x 21 x 37
Approximate Weight
Unit Weight (lbs.)
25.2
Unit Weight Without Stand (lbs.)
16.1
Package Weight (lbs)
38
Warranty Information
Parts Warranty
2 Years Limited
Labor Warranty
2 Years Limited
Rebates
-
Abt Buy More Save More - Tech Savings EventAbt Buy More Save More - Tech Savings EventAbt - Receive $25 to $250 towards your favorite streaming, gaming or food delivery service when you purchase qualifying electronics.Expires 12-31-2026
Frequently Asked Questions
-
This monitor offers an ultra-fast 240Hz refresh rate and a near-instantaneous 0.03ms response time, ensuring smooth and lag-free gameplay. It supports AMD FreeSync Premium and NVIDIA G-SYNC for tear-free and stutter-free visuals. Additional gaming tools include Dynamic Action Sync to reduce input lag, Black Stabilizer to brighten dark scenes, an FPS counter, and a precision-enhancing crosshair.
-
It comes with versatile connectivity including 2 HDMI ports, 1 DisplayPort 1.4, 1 USB Type-C port with 65W power delivery, 2 USB-A ports, an Ethernet port, and a headphone jack. These support seamless connection to PCs, next-gen consoles, and streaming devices for high-resolution graphics and fluid gaming.
-
Equipped with OLED technology, the monitor delivers exceptional brightness up to 1300 nits peak, 98.5% DCI-P3 color coverage, and a 1.5 million to 1 contrast ratio. This results in deep blacks, brilliant highlights, cinematic colors, and DisplayHDR True Black 400 support, providing vivid and immersive visuals.
-
Yes, the monitor offers height, tilt, and swivel adjustments to help you find the perfect viewing angle. It does not support pivot adjustment but features an 800R curved screen to enhance immersion and reduce eye strain during long sessions.
-
Powered by webOS 24, this monitor provides built-in access to popular streaming services like Netflix, Prime Video, Apple TV, Disney+, HBO Max, and over 300 free LG channels. It also supports cloud gaming platforms such as NVIDIA GeForce NOW and Amazon Luna, allowing gaming without a PC or console. AI tools dynamically optimize picture and sound quality for a personalized experience.
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