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LG

LG 34GX90SA-W 34-inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor 240Hz, 1ms, NVIDIA G-Sync Compatible, AMD FreeSync Premium, VESA DisplayHDR True Black 400, webOS, USB Type-C, White

  • Based on 76 reviews
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Availability: Only 2 left in stock, order soon!
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Arrives Friday, May 22
Order within 7 hours and 26 minutes
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Size: 34 inch


Features

  • The 240Hz OLED Smart Gaming Monitor thats Ahead of the (800R) Curve - The 34 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, LGs webOS lets you stream your favorites and cloud gameall 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.
  • 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 - Stay in the zone with an OLED screen thats designed to minimize glare and reflections. The anti-glare surface reduces light distractions, so you can keep your attention where it matterson every move, every target, and every win.
  • webOS Gaming: AI Tools Customize Your Gaming Experience - 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.

Description

Experience lightning-quick speed with up to a 240Hz refresh rate¹ and 0.03ms response time on a huge 34" WQHD curved OLED monitor. The steep 800R curve surrounds you in the action. And with the 240Hz refresh rate, and 0.03ms response time, the action is fast, the play seamless and precise. Dive into UltraGear OLED’s immaculate visuals with up to 98.5% of DCI-P3 color coverage and a 1,500,000:1 contrast ratio for stunning blacks and vibrant colors. LG's game-changing webOS streaming platform adds ease and versatility, letting you enjoy your favorite entertainment streaming platforms as well as cloud gaming services from one, simple to access home screen. Adaptive sync technologies FreeSync Premium and NVIDIA G-SYNC compatibility ensure tear-free, stutter- free performance, whether you're on PC or next-gen consoles. Plus, the UltraGear's 2-year OLED limited warranty and OLED Care features give you peace of mind, keeping your UltraGear monitor in top shape. Designed for gamers, the virtually borderless design complements any gaming setup, with height, tilt, and swivel adjustments for optimal comfort. The RBG backlighting creates the mood that’ll upgrade any battlestation. Source: Circana, LLC, Retail Tracking, Monitors, Gaming Designed, Display Type: OLED, Dollars, Jan - Dec 2025¹Actual refresh rates may vary depending on computer graphics specifications and configurations.²Internet connection and subscription to streaming services are required. Amazon, Prime Video and all related logos are trademarks of , 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.³Internet connection and subscription to streaming services are required.⁴Graphics card that supports DisplayPort 1.4 or HDMI 2.1 are required to achieve up to 240Hz refresh rate support. Graphics card sold separately.⁵Software installation required. Visit Support on LG.com to download.

Brand: LG


Screen Size: 34 Inches


Resolution: QHD Ultra Wide 1440p


Aspect Ratio: 219


Screen Surface Description: Matte


Aspect Ratio: 219


Screen Finish: Matte


Contrast Ratio: 15000001


Refresh Rate: 240 Hz


Display Type: OLED


Display Technology: WQHD


Viewing Angle: 178 Degrees


Brightness: 275 Candela


Pixel Pitch: 0.231


Color Gamut: 98.5


Has Color Screen: Yes


Picture Quality Enhancement Technology: DisplayHDR 400 TRUE BLACK, HDR10


Screen Size: 34 Inches


Item Dimensions D x W x H: 11.49"D x 30.87"W x 22.85"H


Item Weight: 22.93 Pounds


Resolution: QHD Ultra Wide 1440p


Display Resolution Maximum: 3440 x 1440 Pixels


Native Resolution: 3440x1440


Response Time: 1 Milliseconds


Total Number of HDMI Ports: 2


Total Usb Ports: 3


Number of Component Outputs: 2


Total USB 3.0 Ports: 2


Additional Features: Anti Glare Screen, Built-In Speakers, Curved, Dynamic Action Sync, Height Adjustment, High Dynamic Range, Swivel Adjustment


Specific Uses For Product: Desktop, Entertainment, Gaming


Color: White


Mounting Type: Wall Mount


Warranty Type: 2 Years Manufacturer Warranty


Shape: Curved


Brand: LG


Model Number: 34GX90SA-W.AUS


Model Name: 34GX90SA-W.AUS


UPC: 195174115800


Manufacturer: LG Electronics Inc.


Built-In Media: Display Port Cable, HDMI Cable, Monitor, Power Cable, USB-C Cable


Warranty Description: 2 Year Manufacturer


Power Consumption: 45 Watts


Connectivity Technology: DisplayPort, HDMI, USB Type C


Hardware Connectivity: DisplayPort, HDMI, USB Type C


Adaptive Sync: FreeSync Premium, G-Sync Compatible


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, May 22

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • I was blown away,going from Alienware 3225qf
Size: 45 inch
So far it's a great monitor. So first of the sound.... Never had a monitor with speakers but these are loud and sound good. Not great like a headset but good enough when you want to give your ears a break. They are a little muffled due to beaing in the housing. Picture quality... It amazes me at the quality and sharpness of games even on 2560x1080 330hz mode. I have always wanted a widescreen 4k monitor when I seen this at another store on display I had to try it especially when it was on sale for 25% off. It didn't look as good in the store as it does at home. Search online for the best color settings and this monitor will surpass the DW3225qf in gaming. On paper the colors of a WOLED aren't as good as the QD OLED, but if you only use it for gaming that won't make a noticeable difference. The colors are still vibrant even in hdr. Final thoughts.... For some reason gsync doesn't work on the 3225QF as well as this monitor. Games at 240hz on the 3225QF had stutter and tearing. All the games I tested on this monitor are silky smooth. At 2560X1080 Battlefield 6 runs at 600 fps, almost 2x the refresh rate, but it's still smooth and no tearing. This is an amazing widescreen monitor I am glad I purchased. ... show more
Reviewed in the United States on February 19, 2026 by Redmon

  • Well worth the money!
Size: 45 inch
So worth it. Got it on sale and loving this monitor. Colors are great. Resolution is fantastic. Works with my Linux with my 9070xt gpu perfectly unlike my old monitor (Samsung OLED G9). If it is on sale buy it. Build quality is great too. My only gripe is that it would have been nice to have a remote control for it, but the OSD button is at least easy to get to. My games look amazing. Little to no set up required aside from putting together the base. ... show more
Reviewed in the United States on February 6, 2026 by Aaron

  • Absolutely phenomenal!
Size: 45 inch
Not saying anything not already said but will expand. Upgraded from a Samsung 49 inch monitor (CRG9), and I can't recommend the upgrade enough! I am running at full resolution (maybe not full speed) with a couple of 10 series NVIDIA cards on a (almost) 10 year old PC, which is both a commentary on the quality of the old cards and the flexibility of this monitor. The brightness in comparison is insane! The old monitor was much heavier with this one being much easier to move/manipulate; especially love the ease with which it will raise and lower. Resolution is crisp and the size is perfect! While the 49 inch monitor gave a 'smaller' resolution over a wider screen, with the LG seemingly much larger in comparison even at 5K; however, instead of giving you small print and tiny video game characters to watch, you get to appreciate the fine detail and clarity with a taller and more narrow screen. Your first thought will be "the resolution is not a effectively good" but you realize the meant you have to swivel your head side-to-side across a really wide monitor. While the curve seems aggressive, it is completely natural while viewing. It is a more expensive monitor but you are getting what you pay for. ... show more
Reviewed in the United States on February 14, 2026 by S to the J

  • Shows adds on the home screen and hard to turn off
Size: 34 inch
Displayed a ad for an insurance company on the top of my home screen on my freaking PC monitor by default. Had to go through several menu layerrs to turn off advertisements. Not acceptable shame on LG Gemini said It is frustrating to see ads on a high-end OLED, especially when you're using it as a computer monitor. LG has recently expanded its "ad solutions" to include home screen banners and even screensaver ads. Since most LG OLED monitors (like the UltraGear series) now run a version of webOS, you can disable these by diving into the system settings. How to Disable Ads & Recommendations Open Settings: Press the Gear icon on your remote or use the joystick on the monitor to navigate to the All Settings menu. Navigate to Home Settings: Go to General > System > Additional Settings > Home Settings. Toggle OFF both Home Promotion and Content Recommendations. Disable Screensaver Ads: In the same Additional Settings menu, look for Screen Saver Promotion. Toggle this OFF to prevent ads from playing before your screensaver kicks in (which is also better for preventing OLED burn-in). Limit Ad Tracking: Go to General > System > Additional Settings > Advertisement. Toggle ON the option to Limit Ad Tracking and select Reset Advertising ID. ... show more
Reviewed in the United States on March 14, 2026 by James Harren

  • OLED is superior
Size: 39 inch
I have a 55" OLED from LG and that inspired me to get an OLED monitor for my computer. For the foreseeable future it will be OLED only for me. I have this paired with a RTX 5080, displays games beautifully. The high refresh rate is amazing, I was looking for something that was at least 120hz with VRR. This fit the bill perfectly. There is VERY light compatibility support when it comes to video display through websites/apps. Unless you find a workaround (they are out there) you will have black bars sometimes around the image, even if the image received is 21:9, it may show up smaller in the center. For Mac there are apps to expand the image to fill the screen (after using the fullscreen function and it doesn't fill the screen) but for Windows I genuinely haven't looked for a solution. The HDR functions well when using DisplayPort or USB-C, there can be on/off flickering when using HDMI input. This seems to be throughout LG products. Can't determine what would be at fault, could be the monitor, cable, or source. But my 55" LG OLED had the screen flashing on and off each time you transitioned into a new scene in game while using Xbox Series X with HDR on. Whatever the issue was, it was very similar to this weird behavior coming from the HDMI to HDMI situation I just experienced with the Mac mini and this display. I had issues with the HDR flickering on/off when using a Mac Mini, HDMI to HDMI and it did NOT like that. USB C from the Mac mini into the USB C port on the display works phenomenally. All in all this monitor is great, OLED is expensive, but from my personal experience it has been worth it. ... show more
Reviewed in the United States on February 4, 2026 by Andrew Jones

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