LG Ultragear 39GX900A-B 39” OLED Curved WQHD Gaming Monitor - 240Hz, 0.03ms, G-SYNC & FreeSync Premium Pro, HDMI 2.1, DisplayPort 1.4, USB-C, VESA, Anti-Glare, HDR True Black, 800R Curve
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Saturday, Dec 20
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Size: 39 Inch
Style: 39GX900A-B
Features
- The 240Hz OLED Gaming Monitor Thats Ahead of the (800R) Curve 39" WQHD OLED with a steep 800R curve and up to 1300-nit (APL 1.5%) peak brightness pulls you into the action; 240Hz and 0.03ms (GtG) keep gameplay fast and fluid.
- Up to 240Hz & 0.03ms Outrageous OLED Gaming Speed Respond faster and track targets with near-instant pixel transitions that cut lag and ghosting for competitive play.
- Ultimate Frame Sync: FreeSync Premium Pro & G-SYNC Compatible Tear-free, stutter-free visuals across PC and next-gen consoles for consistently smooth frames.
- Bright Picture, Deep Blacks, Brilliant Detail OLED delivers up to 98.5% DCI-P3, 1.5M:1 contrast, and DisplayHDR True Black 400 for cinematic color and shadow detail.
- The 800R Curve: Surround Yourself in the Action A dramatic 800R wrap enhances peripheral vision for deeper immersion in every scene.
- Low Glare, More Focus An anti-glare OLED surface helps minimize reflections so you can stay locked on every objective and every win.
- Unlock Your Potential with Advanced Gaming Tools Dynamic Action Sync, Black Stabilizer, FPS Counter, and Crosshair give you real-time advantages and precision.
- Serious Connectivity for Serious Gamers HDMI 2.1, DisplayPort 1.4, and USB Type-C with up to 65W power delivery support high-res, high-frame gameplay and single-cable setups.
- Battlestation Upgrade, Adjustable to Gamer Specs Virtually borderless 39" OLED with height/tilt/swivel stand and RGB hexagonal backlight to match your setup.
- 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.
Brand: LG
Screen Size: 39 Inches
Resolution: QHD Ultra Wide 1440p
Aspect Ratio: 219
Screen Surface Description: Matte
Product Dimensions: 12.72 x 34.96 x 23.86 inches
Item Weight: 25.3 pounds
Manufacturer: LG
Item model number: 39GX900A-B
Date First Available: March 11, 2025
Standing screen display size: 39 Inches
Aspect Ratio: 219
Resolution: 3440 x 1440 Pixels
Image brightness: 275 Candela per Square Meter
Total Usb Ports: 1
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Dec 20
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 45 inch
Style: 45GS95QE-B
Either I won the panel lottery or this is just a great monitor. I've bought many cheap and expensive monitors and never had one so perfect out the box. Time will tell though. Went from a 34" 3440x1440 to this 45" 3440x1440 very worried about bigger pixels, massive curve and the text on desktop being blurry but had nothing to worry about. You don't even notice the curve when your using it (look at your flat tv up close after using your monitor and you will think your tv is bulging outward, it's wild). Desktop text is obviously off but not as terrible as people made it seem. You can use this as a home office work computer and be fine with few adjustments maybe sharpness increase and clear type. Plenty of settings on this thing. MAKE SURE you use PIXEL CLEAN setting on monitor before you use it as it is recommended. Also take precautions about screen burn in. Gaming obviously is amazing on this thing. Ran a bunch of tests and it was all good. Solid design nothing over the top. Thinner than expected. Lights are cool. Speakers on this are in fact speakers (Didn't test speakers too much). Response time is insane but im not hardcore like that. My computer is mid to todays standards which is why I stuck with this resolution. I still like to run games on max settings, high fps and don't mind the resolution. Not blurry at all in game or desktop (except maybe the text being ever so slightly off). Maybe if you went from a higher resolution to this then maybe I can understand being a little put off. Plenty of other stuff I didn't mention.
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Reviewed in the United States on July 18, 2025 by Amazon Customer
Size: 45 inch
Style: 45GS95QE-B
This is a very awesome monitor. I use it and am Alienware 3423dwf. I prefer the LG
Reviewed in the United States on November 29, 2025 by Noah H Short
Size: 45 inch
Style: 45GS95QE-B
I bought 45 inch LG, I'm gonna start what I don't like - It came with a Chip on the stand(attached photo)!!! It feels like they re sold you a Used look new resale of this monitor. Picture quality is best when gaming and watching Quality videos. When watching low resolution videos you can really see it due to size. Text quality is decent, not for productivity use since you'll really notice the curve and may ruin your designs or whatever you working on. Refresh rate is good- i can't really say too much since i don't have the best graphic card out there, using 6950xt and some games i'm reaching 240fps some 120fps. Stand that comes with it is very sturdy you'll get the Flat stand rather than the V shaped stand. I say it was worth the purchase besides the fact that they might given me a use monitor. *** OUT OF THE BOX YOU MIGHT SEE SOME HORRIBLE VERTICAL BANDING ON GRAY BACKGROUNDS, YOU NEED TO DO AN IMAGE CLEANING THROUGH THE MONITOR MENU 2-3x for the IMAGE QUALITY TO BE GREAT.*** Might need to adjust color grading to your liking if you don't want to have natural colors. **TIP FOR TEXT QUALITY: I set my Monitor display to 4k instead of 1440p on Windows and it somehow fix or make the text quality much better. 5star because the Monitor was a beast despite the PPI (i don't count PP), it would've been 3 star because of amazon the chip on the stand.
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Reviewed in the United States on October 9, 2024 by Reiane Reiane
Size: 45 inch
Style: 45GS95QE-B
I bought this LG Ultragear OLED monitor and after a short time half of the screen stopped working. For such an expensive product, the quality is awful. What’s even worse is Amazon’s support. They refused to give me a refund, no return option, no replacement nothing. Instead of helping, they kept sending me to the manufacturer and wasting my time. Bad product, and Amazon didn’t stand behind the customer at all.
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Reviewed in the United States on August 17, 2025 by Osyed
Size: 45 inch
Style: 45GS95QE-B
Picture quality is great. only negative is the controls on the bottom are not as responsive as I would expect. The single "joystick" style control does everything up/down/left/right and select but moves and presses are not always register. I'm afraid I'll wear out this controller while selecting different inputs regularly.
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Reviewed in the United States on October 22, 2025 by BiffSoQuick
Size: 45 inch
Style: 45GS95QE-B
It’s a lot of monitor. The curve is actually just right for its size and how I use it. Text isn’t great but for gaming it’s wonderful. Colors are what you’d expect in an oled. I don’t use HDR, so I can’t speak to that I was afraid the PPI would be noticeable being a 3440x1440 but it really isn’t. Happy with it so far.
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Reviewed in the United States on September 25, 2025 by L G
Size: 45 inch
Style: 45GS95QE-B
Great. It is as stated! Ppl saying you dont need a monitor this large are also same ppl saying you dont need that large screen phone you are reading this with.
Reviewed in the United States on November 29, 2025 by Nereida Ramos