LG 34GX900A-B 34-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black

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💡 How to pick a monitor
What to look for:
  • Resolution (1080p, 1440p, 4K) matches your GPU
  • Refresh rate (120Hz+ for gaming)
  • Panel type (IPS for color, VA for contrast, OLED for best image)
💰 Sweet spot 2026: 27-inch 1440p 165Hz IPS. Under $300 for great quality
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ProductScreenResolutionRefreshPanelValuePrice
LG 34GX900A-B 34-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black Monitor
LG 34GX900A-B 34-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black
NVIDIA★★★★4.1🔥 DEAL -$48
34"
240Hz
OLED
$685.18
$636.82
Specifications
addedAt2026-05-15T14:34:31.805Z
sourceamazon-discovery
Screen34"
resolution1440p
Refresh240Hz
PanelOLED
CurvedYes
Customer Reviews★★★★4.2 · 5 reviews
★★★★★The best 34" monitor with the perfect curve (800r)
i was afraid of buying the monitor because of these "Experts" criticizing so little details that nobody in their right mind notices. Like the text looks bad or some other say that it doesn't look as good as a qd oled or that the 800r is so aggressive that is not fit for this screen size and some other nonsense. Thank god i ignored all of these expert's opinions, reviews and comments. The quality of this monitor is insane, looks amazingly good and REALISTIC, the qd oled looks wow but its so bright is so unrealistic. This oled is perfect don't let the others make you think otherwise. Go for it, you won't regret buying this monitor, it's so fricking smooth with this refresh rate. I have no problem reading anything, the size is perfect and high quality, i don't have to move my head to look at the corners. Before this one i had a TV as a monitor the LG CX 49" oled and that tv was huge and i hated that i had to move my head all the time and i dare to say that this monitor looks even better than that 4k tv, with his 110 PPI vs the cx TV's 92 PPI this is the perfect size for me, best monitor i ever had hands down.
Zaid Martinez · 2026-05-12 · via amazon
★★★★★Great monitor at a fair price for what I am using it for.
Great monitor for gaming or just browsing. The colors are very vivid and brighter and when playing games, it has a 3D effect that surrounds the curved screen. Exactly what I was looking for and the size is perfect for looking into the small minute details. This monitor is worth very dollar I spent and more.
Juan F. Molina · 2026-04-06 · via amazon
★★★★TERRIBLE QUALITY CONTROL FROM LG.
Super excited to try out OLED technology and ultrawide only to be met with disaster. Tried setting up the monitor only to be met with the famous 'No Signal, Returning To Power Saving Mode' and this was after trying all the monitor ports, all the GPU ports, included cables, multiple known working cables, different laptops. So I thought to myself maybe I am stupid and just don't know how to plug in a cable. Made sure all the cables were seated properly. NOPE, NOTHING. Tried all the troubleshooting methods like hard resetting, factory resetting the monitor, different order of turn on the monitor and computer. Nothing works. Since LG is like one of two of the big companies that makes OLED, you'd think their QC would be great. Nope. Absolutely abysmal.
johnathan · 2026-04-17 · via amazon
★★★★★As described. Works great.
Yep it’s pretty sweet. Great contrast and it’s G-SYNC compatible if you prefer DLSS over native resolution. The size is as advertised, as is the responsiveness. Durability seems fine, but this is a new panel so it’s hard to say, but so far everything is quite steady. Setup is plug and play. Make sure you enable HDR in Windows and use the NVIDIA app for setup. It comes with a USB cable that you can use for the LG picture calibration. Overall 5/5 so far but again, it’s a new screen. We’ll see how it holds up over time but I don’t foresee any issues.
Brett · 2026-04-19 · via amazon
★★★★★The Ultimate Ultra gear Upgrade – Worth Every Penny
it’s easily one of the best gaming displays I’ve ever used. The LG 34GX900A-B Ultra gear OLED is a dream monitor for gamers and creators alike. Between its lightning-fast performance, jaw-dropping visuals, and ultrawide immersion, it’s worth every penny. Highly recommended for anyone who wants the ultimate gaming and productivity setup Stunning OLED Picture Quality Colors are vibrant, blacks are truly deep, and HDR performance makes games look cinematic Ultra-Fast Performance With a 240Hz refresh rate and 0.03ms response time, gameplay feels buttery smooth and responsive—perfect for competitive gaming Sleek design with sturdy stand and VESA mount compatibility
dj · 2025-11-20 · via amazon
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Was $685.18 → $636.82
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LG 34GX900A-B 34-Inch Ultragear WQHD (3440 x 1440) OLED Curved Gaming Monitor, 240Hz, 0.03ms, NVIDIA G-Sync, VESA DisplayHDR True Black 400, HDMI 2.1, DisplayPort, USB Type-C PD 65W, Black Monitor