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🔥 Elevate your game with ultra-smooth speed and cinematic immersion!
The AOC CU34G4Z is a 34-inch ultrawide curved gaming monitor featuring a 3440x1440 WQHD resolution, a lightning-fast 240Hz refresh rate, and a 1ms GtG response time. Its 1500R curved VA panel with VESA DisplayHDR 400 delivers vivid colors and deep contrast, while AMD FreeSync Premium ensures tear-free gameplay. Equipped with HDMI 2.1, DisplayPort, a USB hub, and ergonomic height adjustment, it’s designed for gamers and professionals seeking immersive visuals and seamless performance.













| ASIN | B0DXFLVDT9 |
| Adaptive Sync | FreeSync Premium |
| Aspect Ratio | 21:9 |
| Aspect ratio | 21:9 |
| Best Sellers Rank | 2,170 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 52 in Monitors |
| Brand | AOC |
| Brand Name | AOC |
| Colour | 240Hz |
| Contrast Ratio | 3000:1 |
| Country of Origin | China |
| Customer Reviews | 4.4 out of 5 stars 106 Reviews |
| Display Technology | VA |
| Display Type | VA |
| Global Trade Identification Number | 04038986612692 |
| Hardware Connectivity | DisplayPort, HDMI |
| Has Color Screen | Yes |
| Image Brightness | 400 cd/m² |
| Image contrast ratio | 3000:1 |
| Item Dimensions D x W x H | 26.9D x 80.8W x 53.5H centimetres |
| Item Weight | 10 Kilograms |
| Manufacturer | AOC International |
| Maximum Display Resolution | 3440 x 1440 |
| Model Name | CU34G4Z |
| Model Number | CU34G4Z |
| Native Resolution | 3440x1440 |
| Network Connectivity Technology | HDMI, DisplayPort |
| Picture Quality Enhancement Technology | HDR400, AMD FreeSync Premium |
| Product Features | 240 Hz refresh rate, AMD FreeSync Premium, HDR400, curved design |
| Product Warranty | 3 year manufacturer warranty |
| Refresh Rate | 240 Hz |
| Resolution | QHD Wide 1440p |
| Response Time | 0.3 Milliseconds |
| Screen Finish Type | Matte |
| Screen Size | 34 Inches |
| Screen size | 34 Inches |
| Screen surface description | Matte |
| Shape | Curved |
| Specific Uses For Product | Gaming |
| Total HDMI Port | 2 |
| Total USB 3.0 Ports | 2 |
| Total USB Ports | 2 |
| Total Video Out Ports | 3 |
| Unit Count | 1.0 count |
| Warranty Type | 3 Years Manufacturer Warranty |
A**R
A panoramic masterpiece that saves you from the sheer, unadulterated misery of monitor buttons.
For the last decade, adjusting the settings on a computer monitor has been one of life's most utterly infuriating tasks. You reach underneath the plastic bezel, blindly fumbling around like a man trying to find his car keys in a dark, muddy field. You try to turn up the brightness, but instead, you accidentally turn the bloody thing off. Then you turn it back on, accidentally switch the input to a non-existent DVD player, and end up having to reset the entire universe just to get your picture back. It is a system designed by sadists. But with this AOC beast, some brilliant engineer finally had a proper think. They have included a simple USB cable and a bit of software that lets you control every single setting directly from your desktop with your mouse. No fumbling. No accidental blackouts. It is a total revelation. It’s like discovering you can open your garage door with a remote control instead of having to get out of the car and wrestle with a rusted padlock in the pouring rain. And what a screen it is. It’s a massive, curved 34-inch ultrawide canvas that dominates your desk like a proper widescreen cinema. On paper, the specifications read like a tech enthusiast's ultimate wishlist: a stunning 2K resolution, HDR, and a mind-melting 240Hz refresh rate. In reality, that means everything moves with a liquid smoothness that is deeply satisfying. Flying across a map or playing a high-speed game at 240 frames per second is smoother than a greased otter sliding down a silk chute. The visual quality is where it really triumphs. I have tested other monitors at this exact price point, and frankly, most of them look like the glass has been smeared with a thin layer of lukewarm porridge. They are washed out and depressing. This AOC, however, is a masterclass in vibrancy. The colors absolutely pop off the screen, and the dark tones are incredibly deep, rich, and full. Everything looks incredibly vivid and crisp, giving a depth to the picture that cheaper panels simply cannot recreate. The sheer value for money here is fantastic. You are essentially getting top-tier, hyper-car performance for the price of a sensible family hatchback. I used to be completely indifferent about display brands, but after sitting in front of this glorious thing for a few days, I am officially an AOC customer for life. If you want a massive, high-speed upgrade to your eyeballs without obliterating your bank account, just buy it.
F**R
Fantastic monitor
Fantastic monitor. Came veet well packaged. Refresh rate is Fantastic and the screen is so crisp. Easy to put together and just an all round great product.
A**R
great buy
very happy with this monitor also good price
M**.
Great for the price!
Rare to see the 240hz as promised, it varies depending what application is running even when trying to set this per game/application. But still a great display.
H**Y
Brilliant
Fantastic Monitor. I used to hate VA panels, but this is very close to my old alienware OLED in terms of visuals. As its fast VA, the smearing only really happens with dark text on a light background. Otherwise its such an amazing monitor.
A**S
Good spec quality not the best
Good quality and spec but the size is awkward so the visuals stretch and are almost zoomed in, also VA panels are not great quality wise, the tend to be very patchy with darker colours
D**.
Perfect for 120fps hdr10 gaming on the Xbox series x
Absolutely amazing quality on the Xbox series x , perfect for it infact , 1440p hdr10 120fps , the amount of settings alone on this monitor are top class , shadowing and coloring the hdr range is amazing also , the screen don't look stretched at 21:9 either, it just takes getting used to an ultra wide view really , top quality
S**Y
Easily handles all the pasted games I run it at 240 hz
Excellent fast quality and re used box was abit rough but the monitor is as new well chuffed AOC CU34G4Z 34 inch UW-QHD
H**E
Écran sur support moniteur 24-40"
Incroyable écran de 240hz Je recommande, je l'ai payer 289€ avant le black friday J'en suis satisfait Cable HDMI, display port, et USB d'imprimante fournit Le point négatif c'est l'ancien pied par défaut qui prend trop de place
Z**I
déçu
Commander 2x cette écran très déçu aucun film de protection écran déjà servi Amazon ma fait un remplacement de suite puis le second hyper salle idem aucun film de protection déjà servi aussi donc je suis a deux doigt de le renvoyer aussi et me faire rembourser niveau image galère pour ajuster et son image Nest pas du tout terrible je possede un samsung 34 pouces 75 ghz limage na rien a dire mes vraiment pas le plus ces un 240hgz sa ces bien et 0.3 ms pas 1 comme la description voyer plutôt
J**Y
AOC VA Panel – Impressive Specs Without the Hype
I've been using an AOC monitor for just a couple of days, and so far I'm impressed. Among VA panel displays, AOC offers some of the best specs in this category without inflating prices or relying on misleading marketing. The build and performance feel solid for the price point. I did encounter a small issue, but Amazon IE handled it smoothly and professionally. One tip for new users: I found the experience better after turning off HDR entirely and increasing the brightness manually—at least during the daytime. I haven't tested it much at night yet. Overall, a very solid value for what you get.
G**N
Monitor TOP
Come sempre per me i monitor AOC ultrawide per qualità prezzo sono imbattibili. Se no si vuole spendere una fortuna, e o si ha un budget limitato, questi monitor UltraWide 34" della AOC sono stratosferisci con frequenze di aggiornamento altissime. STRACONSIGLIATO!
E**U
Gran panel, no sufre VRR flickering
Como en amazon te mezclan varios modelos en las valoraciones, hablo por el cu34g4z. Empezamos por lo malo, en el marco inferior se puede apreciar un poco abombado en la parte de la botonera, es el segundo que tengo (devolví el primero por que estaba muy abombado además de pixel muerto). La botonera no me gusta, es dura y no es comoda, sería mucho mejor el típico joystick que tienen otros monitores. Por lo menos tiene aoc un software con el que puedes manejar las opciones del menú, pero tambien hay que decir que algunas opciones no se ajustan con las del monitor físico, las medidas o escalas son diferentes en algunos ajustes... Ahora, obviando eso, lo importante es el panel, y se ve genial. Tanto los colores como el negro. No aprecio ghosting en uso real gaming. Y para mi uno de los puntos más importantes, NO TIENE PRÁCTICAMENTE VRR FLICKERING, compré un monitor similar tanto de asus como gigabyte, los tuve que devolver por que tenían un flickering tremendo al usar gsync, en este es prácticamente inapreciable y soy super maniatico con cualquier tipo de defecto. La peana bastante buena y el sistema de sujeción, aunque no le daré uso por que la usaré con un brazo. En resumen, calidad de construcción mejorable, pero el panel genial.
Trustpilot
4 days ago
2 weeks ago