AOC 34" LED - CU34B3E
UltraWide WQHD PC monitor - 3440 x 1440 pixels - 1 ms (MPRT) - 21:9 - Curved VA panel - 120 Hz - Adaptive-Sync - HDMI/DisplayPort - Black
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Comfortable working on a curved 21:9 monitor
Work comfortably and enjoy your multimedia content with the AOC CU34B3E monitor, a 34" ultra-wide 21:9 monitor designed to revolutionise your viewing experience. Thanks to its WQHD (3440 × 1440) panel, every detail is displayed with exceptional clarity, while its ergonomic curvature envelops you in a vast, immersive workspace, ideal for multitasking, creativity and entertainment.

Performance on a wide screen
This AOC monitor offers smooth and dynamic rendering with a 120Hz refresh rate and ultra-fast response time, ensuring sharp transitions and extreme responsiveness, whether for fast-paced games or demanding applications. Adaptive-Sync technology eliminates image tearing and optimises synchronisation with your graphics card for a smooth viewing experience at all times.
Everyday comfort with a curved panel
The 1500R curvature increases your comfort and reduces eye strain, allowing you to stay focused for longer. Combining elegance and functionality, the AOC CU34B3E impresses with its modern design with thin bezels and large panoramic display area that transforms your desk into a true productivity centre. Whether you're a professional, creative or immersive content enthusiast, this monitor offers you an enriched, wider, smoother and more natural experience.

Select your criteria
General information |
Product name |
AOC 34" LED - CU34B3E |
Brand |
AOC | |
Model |
CU34B3E | |
Display |
Screen size |
34 inches |
Screen format |
21:9 | |
Panel type |
VA (MVA, PVA) display | |
Max resolution |
3440 x 1440 pixels | |
High definition |
UltraWide WQHD | |
Dot Pitch |
0.23175 mm | |
Brightness |
300 cd/m² | |
Contrast |
3500 /1 | |
Response time |
1 ms | |
Angle of vision (horizontal) |
178 Degree(s) | |
Angle of vision (vertical) |
178 Degree(s) | |
Matte/anti-glare panel |
Yes | |
HDR (High Dynamique Range) |
Yes | |
HDR standards |
HDR10 | |
NVIDIA G-SYNC |
No | |
NVIDIA Reflex |
No | |
Adaptive-Sync |
Yes | |
AMD FreeSync |
No | |
Flicker-Free |
Yes | |
Anti blue light |
Yes | |
Screen |
Screen type |
LED |
Widescreen |
Yes | |
Curved screen |
Yes | |
Monitor curvature |
1500R | |
Borderless |
Yes | |
Touch screen |
No | |
Max vertical frequency |
120 Hz | |
Type of activities |
Multimedia | |
| Office | ||
Ergonomics |
Portable |
No |
Pivot |
No | |
Height adjustable stand |
No | |
Removable stand |
Yes | |
VESA mount |
100 x 100mm | |
Back tilt angle (top) |
20 Degree(s) | |
Forward tilt angle (bottom) |
5 Degree(s) | |
Articulating arm |
No | |
Connectivity |
Video inputs |
1 X HDMI Female |
| 1 X DisplayPort Female | ||
HDMI standard |
HDMI 2.0 | |
DisplayPort standard |
DisplayPort 1.4 | |
Audio outputs |
1 X Headphone (3.5mm Jack Female) | |
Dock USB-C |
No | |
Multimedia |
Built-in speakers |
No |
Webcam |
No | |
TV tuner |
No | |
Physical characteristics |
Color |
Black |
Release year |
2025 | |
Width |
808.1 mm | |
Height |
476.7 mm | |
Depth |
265.3 mm | |
Height (without stand) |
368.4 mm | |
Depth (without stand) |
109 mm | |
Weight |
7.4 kg | |
Weight (Without stand) |
6.3 kg | |
Multi-monitor bundle |
No | |
Power supply |
Energy class |
F |
Consumption |
31 kWh/1000h | |
Standby consumption |
0.5 W | |
Internal power supply |
Yes | |
Specificities |
PS5 optimized |
No |
Xbox Series optimized |
No | |
Warranties |
Commercial warranty |
Seller 2 years
|
Legal warranty |
See terms & conditions
|
|
Safety Information |
Responsible person |
AOC International (Europe) B.V |
Postal address |
Prins Berhardplein 200, 1097 JB, Amsterdam, Pays-Bas | |
Electronic Address |
Click here
|
See all AOC products
Product referenced on 16 Feb 2026
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