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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

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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon
Arrives Tuesday, Aug 11
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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: 22.9 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


Warranty Description: 2 Year Manufacturer


UPC: 195174115800


Manufacturer: LG Electronics Inc.


Unit Count: 1.0 Count


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


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: Tuesday, Aug 11

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

    • Absolutely incredible monitor for gaming and daily use
Size: 45 inch
I have been extremely happy with this LG 45 inch UltraGear monitor. The size is perfect if you want something immersive without going to a full triple monitor setup, and the picture quality is honestly stunning. The OLED panel makes games look rich, sharp, and smooth, with deep blacks and great color. The curve feels natural and really pulls you into whatever you are playing. Gaming on it has been excellent. The motion is smooth, the response feels instant, and it pairs really well with a high end gaming PC. Racing games, shooters, and open world games all look amazing on this screen. It also works well for everyday desktop use because there is so much screen space to work with. Setup was easy, the build quality feels premium, and the monitor looks great on the desk. I also appreciate that it feels like a true upgrade, not just a slightly bigger screen. If you are looking for a high end gaming monitor that feels immersive, fast, and beautiful, this one is absolutely worth it. Five stars from me. I would buy it again without hesitation. ... show more
Reviewed in the United States on June 6, 2026 by Joe
    • Insanely immersive
Size: 45 inch
⭐⭐⭐⭐⭐ This monitor has completely transformed my setup. The 45-inch 5K2K display provides an incredible amount of screen space, and the OLED panel delivers stunning colors, deep blacks, and amazing contrast. Everything from gaming to productivity looks fantastic. I was coming from a 27-inch 1440p IPS monitor, and the difference is night and day. The immersive curve makes games feel much more engaging, and the ultrawide aspect ratio gives you a huge field of view in supported titles. The image quality is outstanding, motion is smooth, and text clarity has been better than I expected at this size. It took a little tweaking in some games to get settings dialed in, but once everything was configured, the experience was incredible. If you’re looking for a premium ultrawide OLED monitor that excels at both gaming and productivity, this LG 45” 5K2K display is absolutely worth it. ... show more
Reviewed in the United States on June 1, 2026 by Thecrocketts
    • This monitor is amazing; pros/cons for non-professional users
Size: 45 inch
I've been using it for 4 months now and when I first set it up, it was stellar. The difference was incredible. It's very immersive and just a great screen. I'm not going to go into all the details that others do, but I'll highlight a few things: Pro: - It's big. The curvature is just about right if you're about 3 feet away. - The HDR is a nice change and very noticeable. - Refresh is fine - 165Hz is more than enough if you can push it there. - 2 HDMI, 1 DP, 1 USB-C is nice. - I get 165Hz with both DP 3M (what is now Green Jiss CABLE-54532587 (?)) and HDMI 2M (Ubluker UB222) cables from Amazon. - USB-C port provides power/video to a MacBook, if that's what you're using. - It's packed very well (and huge, as you would expect). Con: - Other reviews mention not coming out of sleep. I had the same issue. I just changed the settings to not go into deep sleep and it's been fine. - Would have preferred a different way to switch between inputs than pulling up the menu with that small nipple-like joystick. I imagine that it will eventually fail. - Firmware update is a mess to do. Don't know if I needed it or not but did it anyway (the sleep issue noted above). - The USB-A ports on the monitor are only fed by the USB-C input. Kinda disappointing. If you have a MacBook attached via USB-C but want those USB-A ports for a different machine, nope. - It's big (pro and con depending on your setup). I think the USB port thing is my biggest gripe. Would be nice to have the USB-C video but not have the USB-A hub/ports tied to that input. One more USB input for the hub with a toggle on which to use would have made it perfect. Anyway, overall, I can ignore the cons and say that this is an amazing monitor. ... show more
Reviewed in the United States on May 2, 2026 by Gregmo
    • 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
    • Absolutely phenomenal! Absolutely phenomenal!
Size: 34 inch
Review Image by ALZ
First off, the curve is VERY aggressive! However, once you sit in front of it, it's nowhere near as bad as you may think. I have yet to try this on PC; it works mostly great on console. You do have to tweak some annoying settings to get it to register HDR and may have to manually adjust the picture quality but it is very worth it! You can either have the image stretched or cut it down to 16:9. I personally recommened the stretched ratio since it doesn't look as terrible as one might think. In some game, however, it is very noticable and should be switched to 16:9 instead of 21:9. The colors and brightness are beautiful, especially in dark rooms. The high refresh rate makes gameplay look simply stunning and easily worth the discounted price. While the original price is crazy, the cut down price makes this monitor a MUST if you want to get into wide screen monitors! The response time feels practically instant compared to other monitors I've used. The height can also be adjusted to very high or average, which helps a lot. Overall, I give this monitor a 9/10; one point is taken off due to the original full price. But if that doesn't bother you, go for it! 2026 Update: Still an amazing monitor! Again, the price is pretty difficult but it is most definitely worth it! ... show more
Reviewed in the United States on November 26, 2025 Reviewed in the United States on November 26, 2025 by ALZ
    • beautiful monitor. good pixel density for desktop use. absolutely shines when playing games beautiful monitor. good pixel density for desktop use. absolutely shines when playing games
Size: 45 inch
Review Image by Camden
Review Image by Camden
Review Image by Camden
Review Image by Camden
Review Image by Camden
pretty crazy monitor... for a pretty crazy price. ive replayed every game i have with it and its everything i wanted. 4k and ultrawide and oled and bigger then my last. this wraps around you thats not annoying like the G9 from samsung my cons are the fact that the stand is a grey ish with just a slight tinge of blue tint. kinda odd considering most setups are black white or a certain color or have a wood esthetic and a huge con is a "2 year warranty" i had to call amazon and lg to verify this because nowhere is it listen. thats why i loved my DWF alienware monitor that had a 3 year burn in warranty. unacceptable for this price point ABSOLUTELY unacceptable anouther con is THE MATT COATING ON MY OLED MONITOR. THIS IS A SIN everything else is awesome, 330hz mode is a huge plus too for esports when i play with my friends and want response over fidelity single player games is like taking off smudged sunglasses in a dark room. its beautiful and colors are exactly like my DWF QD-OLED if your worried about color intensity, though i did have to adjust white point to my liking out of the box white seemed a little too blue. i needed the custom color 2 option for warmth to be almost one to one to my QD-OLED samsung pannel. keep in mind you need a pretty expensive pc to play games natively, i have a TUF OC 4090 and 7800x3d both are absolutely needed for the 330hz refresh rate which is more CPU intensive and 4k being GPU intensive, pushing just over 11 million pixels compared to my old 1440x 3440 being just under 4 million. OVER TWICE AS MUCH and 40% more then the odyssey g9 1440 pannels heres some subnautica 2 sceeenshots. ... show more
Reviewed in the United States on May 17, 2026 Reviewed in the United States on May 17, 2026 by Camden
    • 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
    • 4 months in.. 4 months in..
Size: 45 inch
Review Image by MB
Something that is extraordinary hard to gauge is a brand new piece of technology the day after you buy it. Yet, so many people do. I picked one up on sale about 4 months ago and really wanted to put it through its paces before getting to exited and quickly writing a less informed review. This won't be overly detailed but I'll hit the main points. 5120x2160 Resolution at 45" - 10/10 Glare/Screen Coating - 8/10 (prefer glossy) 800R curve - 8/10 (prefer slightly lesser curve) Respone time - 10/10 Build quality - 9/10 Ports - 8/10 (would like to see more HDMI 2.1) Color/Contrast - 9/10 (Post calibration) Stand - 10/10 (Small footprint very stable) Menu - 9/10 (Good OLED burn in prevention) Ambiance lighting - 4/10 (very dim lighting) Those are some of the key factors I think people might care about. I'm sure I missed a couple. At the end of the day this is an incredibly cool gaming experience but it does cost a pretty penny. For things like photo editing and productivity I would probably go with something different. Reason being is the curvature mostly. For things like photo editing the tight 800r curve warps the image ever so slightly and might not be good for that. For gaming it's a non-factor and in fact, the deep curvature really pulls you into the game and feels somewhat like VR. Very difficult to describe you kind of just have to experience it. At its massive 45" size the resolution is spot on. Even though you will need a pretty strong graphics card to drive it. Once I calibrated HDR in Windows and Nvidia Control panel, the color and contrast are great. It does take some extra dialing in to get it just right and that of course will depend on the lighting in the room you set up in. I have experienced zero mechanical issues like dead pixels or screen banding. If these ever come down to around $1,000 I would highly recommend it. At it's current price even as cool as it is I still think it's a bit to expensive. LG runs sales on these every couple months so just keep your eye out if you're interested in this model. About 4 months ago when I purchased it I got it for $1,300 which was the best sale I could find and to be fully honest I do not regret it. If this had a glossy screen option, slightly less curvature and a little price drop, it would be an easy 5 stars. ... show more
Reviewed in the United States on March 17, 2026 Reviewed in the United States on March 17, 2026 by MB

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