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AOC G4 U32G4U computer monitor 80 cm (31.5") 3840 x 2160 pixels 4K Ultra HD Black, Red
AOC G4 U32G4U. Display diagonal: 80 cm (31.5"), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Response time: 1 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in USB hub. VESA mounting, Height adjustment. Product colour: Black, Red
Dual Frame Mode (DFM) on AOC monitors offers unparalleled flexibility, allowing users to harness the power of UHD 3840x2160 resolution at an ultra-smooth 160Hz refresh rate. This advanced feature delivers exceptionally sharp, vibrant, and fluid visuals, perfect for immersive gaming, high-definition content creation, and cinematic experiences, ensuring every detail is rendered with stunning clarity and responsiveness.Push Your Performance to the Limit with a Lightning-Fast 320Hz Refresh Rate at Full HD Resolution. Perfectly Balanced for Competitive Gamers, This Display Delivers Ultra-Smooth Motion, Razor-Sharp Clarity, and Minimal Input Lag—Giving You the Speed and Precision to Stay Ahead in Every Frame.

Unlock your gaming potential with Fast IPS panels offering rapid pixel response times of up to 1ms GtG. Say farewell to motion blur as you enjoy sharper images, enhancing precision targeting and boosting performance in high-speed games. Experience the advantages of fast IPS technology, including vibrant colors and wide viewing angles, for an immersive gaming experience and unleash your full potential.

Enable flawless picture quality by synchronising new generations of NVIDIA graphics cards* with this G-SYNC Compatible monitor. *Please refer to NVIDIA website for the complete list of GPUs working with G-SYNC Compatible monitors

When you are enjoying photos, videos or games, we want your screen content to look as lifelike as possible. That is why this display comes with Wide Colour Gamut technology, which means that it is able to display a lot more colours than conventional monitors. This is achieved through a special hardware solution, not through mere software adjustments. The result: true-to-life images with fine details that become visible thanks to the broader colour palette.

Even the lowest level of High Dynamic Range (HDR) feature poses a significant upgrade to common monitors. The peak luminance of 400 cd/m2 enables your display to hone the picture quality with a manifold colour spectrum and more diverse contrast. The VESA-certificate ensures richness of detail and realistic portrayals of game and film worlds.

MPRT is an acronym for moving picture response time. MPRT technology disables and enables your monitor backlight during picture changes. Through the reduced time a frame is shown on the monitor, “ghosting” and “blurring” effects are reduced, resulting in a smoother, more “fluid” feeling gaming experience.

The latest standard in HDMI technology further boosts higher refresh rates and resolution. This not only opens new doors for watching content, but also for gamers: HDMI 2.1 enables next generation consoles to reach their maximum performance.

Ergonomic stand to maintain comfort and prevent strain during long gaming sessions. It offers a wide range of motion and easy height, tilt, and swivel adjustments, accommodating the proper ergonomics and your personal preferences.

Built-in USB hubs in AOC’s monitors bring ease of use and practicality to your desk. Side mounted ports are easily reachable without even looking at them; negating time wasted searching the backside of a PC case to find a free USB port.

AOC G-Menu is a free tool that you can install on your PC to have complete customization paired with maximum convenience.
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The AOC G4 U32G4U computer monitor is compared against several alternative models from the same category, including the 31.5-inch MSI MAG 322URDF E16, AOC U32P2, and MSI MAG 321CUPDF, as well as the 27-inch AOC U27G4XM and ASUS ROG Strix XG27UCSR options. All compared devices feature 4K Ultra HD resolution and a 160Hz refresh rate, but they differ in screen diagonal size, panel technology (Fast IPS, IPS, or VA), built-in USB hub presence, and primary market positioning.
⚙️ The table below compares the core characteristics of the devices, including screen size, resolution, panel type, refresh rate, USB hub support, and intended market use.
| Comparison parameter | AOC G4 U32G4U | MSI MAG 322URDF E16 | AOC U27G4XM | ASUS ROG Strix XG27UCSR | AOC U32P2 | MSI MAG 321CUPDF | Practical significance |
|---|---|---|---|---|---|---|---|
| Display diagonal | 31.5 " | 31.5 " | 27 " | 27 " | 31.5 " | 31.5 " | Larger screens offer expansive workspace, while 27-inch models provide higher pixel density per inch. |
| Display resolution | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 | 3840 x 2160 | All models deliver sharp and detailed visuals through the 4K Ultra HD standard. |
| Panel type | Fast IPS | IPS | Fast IPS | Fast IPS | VA | VA | Fast IPS and IPS panels ensure wide viewing angles and fast response, whereas VA panels offer deep contrast characteristics. |
| Refresh rate | 160 Hz | 160 Hz | 160 Hz | 160 Hz | Not specified | 160 Hz | Most options support smooth motion handling at a 160Hz refresh rate. |
| Built-in USB hub | Yes | Yes | Yes | No | Yes | No | Integrated hubs simplify connecting peripherals directly to the display without extra adapters. |
| Market positioning | Gaming | Gaming | Gaming | Gaming | Business | Gaming | Most choices are tailored for gaming setups, except for the office-focused U32P2 model. |
◎ The table below evaluates which products are best suited for different user needs and practical usage scenarios.
| Use case | Recommended product | Why |
|---|---|---|
| Immersive gaming on a large 4K screen | AOC G4 U32G4U | Combines a roomy 31.5-inch Fast IPS display, 4K resolution, and a 160Hz refresh rate for fluid gameplay. |
| Compact desktop workspace | AOC U27G4XM or ASUS ROG Strix XG27UCSR | The 27-inch form factor fits limited desk spaces while retaining crisp 4K detail. |
| Office productivity and work | AOC U32P2 | Designed for professional business environments with built-in speakers for everyday tasks. |
| Curved gaming setup | MSI MAG 321CUPDF | Features a curved VA panel for enhanced visual immersion in entertainment tasks. |
The AOC G4 U32G4U stands out among alternatives by combining a large 31.5-inch 4K Ultra HD screen, a responsive Fast IPS panel, and a 160Hz refresh rate. It delivers a more expansive viewing area than 27-inch alternatives and includes a built-in USB hub that some competitors lack. This monitor is most suitable for users seeking a large, versatile display for both high-performance gaming and daily professional productivity.