Overview

Vibrant Images
The AOPEN 34″ Curved Display with QHD (3440 x 1440) resolution offers the sharpest picture quality and provides a perfect picture with a broader view. The zero-frame design does away with the thick frames found on conventional monitors freeing up precious screen space so you have more to look at from edge to edge.
AMD FreeSync Premium Technology
Say “goodbye” to stuttering and tearing. With AMD FreeSync Premium, the monitor’s frames are synced with the graphics card’s frames, which eliminates screen tearing and provide the smoothest gaming experience.
Supercharged Refresh Rate
The 165Hz refresh rate speeds up the frames per second to deliver an ultra-smooth 2D motion scenes. With a rapid refresh rate of up to 165Hz, AOPEN Monitors shorten the time it takes for frame rendering, lower input lag and provide gamers an excellent in-game experience
Lightning Fast 1ms Turbo Visual Response
Never let your enemies escape with a slow display. An ultra-fast 1ms response time enables you to aim accurately without any ghosting and image dragging and makes gameplay as fluid as possible by synchronizing your natural skills with the AOPEN monitor to help you conquer the war.
Curved Screen
The curved 1500R display wraps you in a world of entertainment with every corner of the screen at the same distance from your eyes for a uniform viewing experience without blind spots. Tilt the screen -5 to 20 degrees for the most comfortable view.
Better for Your Eyes
Colors are adjusted in real-time to ensure the best visual experience. And with AOPEN Eye Protection, eye strain is reduced and provides a more comfortable viewing experience. Protect eyes and work and play longer, in comfort, with Bluelight Shield and Flickerless technology!

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Highlight differences

Feature	VIEWING Acer - AOPEN 34" VA LED QHD 180Hz 1ms FreeSync Premium Gaming Monitor (HDMI) - Black	LOWEST PRICE IN THIS TABLE MSI - MAG 346CQDF E20 34" Dual Freq(UWQHD:200Hz/HD:400Hz) 0.5ms FreeSync Premium Curved Gaming Monitor HDR Ready (DP, HDMI) - Metallic Black	MSI - MAG 341CQP QD-OLED X28 34" UWQHD 280Hz 0.03ms G-SYNC FreeSync Premium Pro Curved Gaming Monitor TB500 (DP, HDMI, USB-C) - Metallic Black	Alienware - 39" 5K OLED 330Hz 0.03ms FreeSync Premium Pro and G-SYNC Compatible Curved Gaming Monitor with HDR (HDMI, DisplayPort) - Black
Price	$239.99	$231.99	$639.99	$879.99
	This product	View details	View details	View details

Specifications

Capacity & configuration

Display Type: LCD
Panel Type: VA
Stand Type: Adjustable height stand

Dimensions & weight

Product Name: AOPEN 34" VA LED QHD 180Hz 1ms FreeSync Premium Gaming Monitor (HDMI)
Product Width: 31.75 inches
Product Weight: 15.21 pounds

Features

Brand: Acer
Color: Black
Refresh Rate: 180Hz
Maximum Resolution: 3440 x 1440
Contrast Ratio: 100,000,000:1
Response Time: 1 milliseconds
Synchronization Technology: FreeSync Premium (AMD Adaptive Sync)
Aspect Ratio: 21:9
Display Contour: Curved
Brightness: 250 candela per square meter
Screen Size: 34 inches
High Dynamic Range (HDR): No
Horizontal Viewing Angle: 178 degrees
Vertical Viewing Angle: 178 degrees
Number of HDMI Inputs (Total): 2
Display Connector(s): 1 x DisplayPort 1.4
Wall Mountable: Yes
VESA Wall Mount Standard: 100mm x 100mm
Built-In Webcam: No
Integrated Speaker(s): No
ENERGY STAR Certified: No
Operating System Compatibility: Not Applicable
UPC: 195133169035

Power & warranty

Model Number: 34HC5CU S3biiphx
Warranty - Parts: 3 years
Warranty - Labor: 3 years

Warranty & protection

Included manufacturer warranty

See manufacturer documentation.

Register your product with the manufacturer within 30 days of delivery.

Warranty service

Manufacturer warranty claims are handled by the manufacturer. We are happy to help you find the right contact: (888) 419-6820.

Customer reviews

Write a review

Orly77Jan 26, 2026 · Verified purchase ★☆☆☆☆

Not satisfied - When switching to work, the screen was all distorted even though the settings were correct. Returned this item.

NicholasAJan 9, 2026 · Verified purchase ★★★★★

Gaming Monitor - Good value for your money. Graphics is perfect. High resolution. i love it.

IsabellaJan 10, 2025 · Verified purchase ★★★★★

Gaming monitor - It is a good quality monitor and the graphics are very good.