---
product_id: 727687002
title: "AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black"
brand: "aoc"
price: "$656.12"
currency: USD
in_stock: true
reviews_count: 11
category: "Aoc"
url: https://www.desertcart.us/products/727687002-aoc-u27g4r-27-inch-usb-hub-gaming-monitor-160hz-320hz
store_origin: US
region: United States of America
---

# 160Hz UHD / 320Hz FHD dual refresh Built-in USB Hub & HDMI 2.1 27-inch Fast IPS panel AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black

**Brand:** aoc
**Price:** $656.12
**Availability:** ✅ In Stock

## Summary

> 🎮 Dominate your desk with pro-level speed and style!

## Quick Answers

- **What is this?** AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black by aoc
- **How much does it cost?** $656.12 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/727687002-aoc-u27g4r-27-inch-usb-hub-gaming-monitor-160hz-320hz)

## Best For

- aoc enthusiasts

## Why This Product

- Trusted aoc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pro-Grade Ergonomics:** Height adjustable stand with cable management designed alongside eSports pros to declutter your battlestation.
- • **Ultra-Smooth Visuals:** Experience buttery gameplay with 160Hz at 4K UHD and an insane 320Hz at FHD for competitive edge.
- • **Vivid HDR400 Display:** VESA-certified HDR400 delivers vibrant colors and deep contrast for immersive gaming and media experiences.
- • **Next-Gen Connectivity:** HDMI 2.1 and DisplayPort 1.4 support next-level consoles and GPUs for future-proof performance.
- • **Lightning-Fast Response:** 0.5ms MPRT and 1ms GtG eliminate motion blur and ghosting—every millisecond counts in your wins.

## Overview

The AOC U27G4R is a 27-inch Fast IPS gaming monitor featuring dual refresh modes—160Hz at 4K UHD and 320Hz at FHD—paired with ultra-fast 0.5ms MPRT response time. It supports Adaptive Sync (G-Sync compatible) to eliminate screen tearing, includes a built-in USB hub for easy connectivity, and offers ergonomic height adjustment with cable management designed by eSports pros. With HDMI 2.1, DisplayHDR 400 certification, and a matte finish, it delivers vibrant visuals and smooth gameplay for serious gamers and professionals alike.

## Description

From the manufacturer MONITOR U27G4R UNLEASH YOUR POTENTIAL Screen size (inch): 27 Panel type: Fast IPS Sync technology (VRR): Adaptive Sync Response time MPRT: UHD 0.5ms / FHD 0.3 ms USB Hub: USB Hub Dominate your gaming experience with the U27G4X Dual-Frame Monitor, a cutting-edge display offering ultimate flexibility between UHD at 160Hz and FHD at 320Hz. E-sports monitor stand Our new stand. Co-designed with eSports professionals, allows you to maximize free space for all your peripherals. The base of the monitor is designed to reduce the footprint of your monitor on your desk, and even allows you to place your keyboard on top. The stand includes cable management to keep your desk clean. No matter what genre you compete in, we want you to feel like a pro. 1ms Response time GTG - Grey-to-Grey GtG stands for Grey-To-Grey and represents how long it takes for one pixel to change between one gray level to the next. In gaming, every millisecond counts and can be the differentiator between hitting or missing a shot. Fast response time also eliminates ghosting and motion blur. HDMI 2.1 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. USB Hub 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. Vesa Certified DisplayHDR 400 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. GMENU AOC G-Menu is a handy utility that you can install on your PC to have complete customization paired with maximum convenience. 0.5ms MPRT - Moving Picture Response Time 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. FHD Resolution Want to watch a Blu-ray movie in full quality, enjoy games in high resolution or read crisp text in office applications? Thanks to its Full HD resolution of 1920 x 1080 pixels, this monitor lets you do just that. Whatever you are viewing, with Full HD it will be displayed in rich detail without requiring a high-end graphics card or consuming a lot of your system’s resources. Adaptive sync Adaptive Sync aligns your monitor’s vertical refresh rate with the frame rate delivered by your GPU, making your gameplay and casual gaming experience even more fluid by eliminating stuttering, tearing and judder. This feature is also useful when enjoying videos and other visual media, for a smoother entertainment. Fast IPS 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.

Review: Great monitor for gaming - No problems at all
Review: perfict - very good easy to set up and the high speed hdmi cable that comes provided works for hdr perfict

## Features

- 144Hz refresh rates for ultra-smooth,brilliant images
- Reduces screen flickering to minimize eye strain during extended use.
- Synchronizes the display's refresh rate with the graphics card to eliminate screen tearing and stuttering.
- 0.5ms (MPRT) fast response for crisp image and smooth gameplay
- Height Adjustable

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0F5BTWP9T |
| Adaptive Sync | G-Sync |
| Aspect Ratio | 16:9 |
| Aspect ratio | 16:9 |
| Best Sellers Rank | 1,705 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 39 in Monitors |
| Box Contents | User manual, cable or plug. |
| Brand | AOC |
| Brand Name | AOC |
| Colour | 160Hz |
| Compatible Devices | standard |
| Contrast Ratio | 400:1 |
| Country of Origin | China |
| Customer Reviews | 4.2 out of 5 stars 97 Reviews |
| Display Technology | IPS |
| Display Type | LCD |
| Hardware Connectivity | DisplayPort, HDMI |
| Has Color Screen | Yes |
| Image Brightness | 400 cd/m² |
| Image contrast ratio | 400:1 |
| Item Dimensions D x W x H | 22.8D x 61.4W x 51.6H centimetres |
| Item Weight | 8.2 Kilograms |
| Manufacturer | AOC International |
| Maximum Display Resolution | 3840 x 2160 |
| Model Name | U27G4R |
| Model Number | U27G4R |
| Mounting Type | Bookshelf |
| Native Resolution | 3840x2160 |
| Network Connectivity Technology | HDMI, DisplayPort |
| Picture Quality Enhancement Technology | HDR400, AdaptiveSync (G-Sync) |
| Product Features | Adaptive Sync |
| Product Warranty | 3 year manufacturer warranty |
| Refresh Rate | 160 Hz |
| Resolution | 4K UHD 2160p |
| Response Time | 0.5 Milliseconds |
| Screen Finish Type | Matte |
| Screen Size | 27 Inches |
| Screen size | 27 Inches |
| Screen surface description | Matte |
| Shape | Flat |
| Specific Uses For Product | standard |
| Total HDMI Port | 2 |
| Total USB 2.0 Ports | 4 |
| Total USB 3.0 Ports | 1 |
| Total USB Ports | 1 |
| Total Video Out Ports | 3 |
| Unit Count | 1.0 count |
| Viewing Angle | 178 Degrees |
| Voltage | 28 Volts |
| Warranty Type | 3 Years Manufacturer Warranty |

## Product Details

- **Aspect ratio:** 16:9
- **Brand:** AOC
- **Display resolution maximum:** 3840 x 2160
- **Image contrast ratio:** 400:1
- **Refresh rate:** 160 Hz
- **Resolution:** 4K UHD 2160p
- **Response time:** 0.5 Milliseconds
- **Screen size:** 27 Inches
- **Screen surface description:** Matte
- **Special feature:** Adaptive Sync

## Images

![AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black - Image 1](https://m.media-amazon.com/images/I/71nlf87vjEL.jpg)
![AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black - Image 2](https://m.media-amazon.com/images/I/71Uau8u-iaL.jpg)
![AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black - Image 3](https://m.media-amazon.com/images/I/71BlqKgPQ4L.jpg)
![AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black - Image 4](https://m.media-amazon.com/images/I/61X-baiNmqL.jpg)
![AOC U27G4R 27 inch USB Hub Gaming Monitor, 160Hz/320Hz dual mode, Fast IPS Panel, 1ms GtG, HDR400, G-Sync Compatible, Height Adjustment,(3840x2160@160Hz; 1920x1080@320Hz HDMI 2x 2.1 DP 1x 1.4) Black - Image 5](https://m.media-amazon.com/images/I/51boKh5hmoL.jpg)

## Available Options

This product comes in different **Pattern, Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great monitor for gaming
*by W***S on 6 April 2026*

No problems at all

### ⭐⭐⭐⭐⭐ perfict
*by B***A on 17 January 2026*

very good easy to set up and the high speed hdmi cable that comes provided works for hdr perfict

### ⭐ AOC U27G4R Review: A Mixed Bag
*by J***. on 13 February 2026*

I recently purchased the AOC U27G4R, and while the picture quality is excellent, my experience with this monitor has been marred by some frustrating issues. The main problem I've encountered is the monitor's slow wake-up time. It takes an inordinate amount of time to turn on and display an image, which can be annoying when you're trying to get started with your work or gaming session. To make matters worse, the monitor frequently fails to wake up at all, requiring me to turn it off and on again just to get it to display a picture. After researching online, I discovered that other users have reported they have firmware version 1.02. However, when I contacted AOC support, they flat-out denied that firmware 1.02 exists, leaving me wondering if it was just a myth. As my monitor came with firmware 1.01, I had hoped that a new firmware update would address the slow wake-up issue. Unfortunately, it seems that's not an option. Given the hassle and expense of returning the monitor as defective, I decided to keep it and accept Amazon's offer of a partial refund. While I'm disappointed in AOC's response to this issue, I didn't want to deal with the headache of sending it back. Update: I ended up sending it back anyway as it annoyed me too much.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-21*