iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
The AOC AGON PRO AGP277QKDC’s headline 720Hz mode requires a steep resolution trade-off: it runs at 1280×720, while the monitor’s native 2560×1440 mode reaches 540Hz. For most players, the sharper QHD mode is the more practical choice; 720Hz is a specialist option for competitive gaming where maximum refresh matters more than image detail.
What the AOC AGON PRO AGP277QKDC offers
This 26.5-inch, flat 16:9 monitor uses a fourth-generation WOLED panel. AOC lists a native resolution of 2560×1440, or QHD, with a pixel density of 110.9 pixels per inch. Its Dual Frame Mode lets users choose between QHD at up to 540Hz and 1280×720 at up to 720Hz. AOC also lists a 0.03ms GtG response time; that is a manufacturer specification, not a guarantee of identical results in every use case.
The two modes are not simply different refresh-rate settings at the same image quality. 720p contains about one quarter as many pixels as QHD, so the faster mode gives up substantial detail. In Samuel Willetts’s Club386 review, the 720p image looked rough on a screen this size, while QHD at 540Hz was the more compelling mode for general use. The review rated the monitor “Club386 Recommended.” Read the Club386 review.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsIs 720Hz worth the 720p trade-off?
Choose the 720Hz mode only if your priority is the highest available refresh rate and you are comfortable with a visibly less detailed image. It is best understood as an optional competitive-gaming mode, not an across-the-board upgrade over QHD at 540Hz.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
- QHD at up to 540Hz: The stronger all-purpose choice for players who want very high refresh without giving up the monitor’s native resolution. It is also the mode Club386’s reviewer favored in most cases.
- 720p at up to 720Hz: A motion-priority option for esports players willing to accept softer, rougher-looking detail on a 26.5-inch panel.
The monitor’s appeal is consequently specific: it combines a very high QHD refresh rate with an even faster lower-resolution mode. If a larger, sharper 4K image matters more to you than competitive refresh rates, the review suggests looking beyond this monitor’s priorities.
What the review measured: brightness and colour
Club386 reported the following results in its review. These are measurements from that review under the stated settings, not AOC specifications or guaranteed results for every unit.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
| Review setting or measurement | Club386 result |
|---|---|
| SDR peak at 70% brightness, the review’s default setting | 272 nits |
| SDR peak at 100% brightness | 404 nits |
| Maximum with UniformBrightness enabled | 382 nits |
| Average Delta E, default setting | 2.06 |
| Average Delta E, UniformBrightness enabled | 1.06 |
| Measured luminance uniformity deviation | Up to 3% |
| Measured colour-uniformity deviation | Up to 6.0 Delta E |
UniformBrightness improved the review’s average Delta E result but reduced its measured maximum brightness. The test also found middling colour uniformity and minor text fringing—useful caveats if you plan to use the display for colour-sensitive work or spend long periods reading text.
Free tools Windows power users keep installed
One-click scans. No signup required.
AOC’s own specifications list SDR brightness of 335 nits at 100% APL, 600 nits at 10% APL, and 1,500 nits at 1.5% APL. Those figures describe different image-area conditions; the 1,500-nit small-area peak should not be read as full-screen brightness. See AOC’s product specifications.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
Ports, USB-C and desk setup
The AGP277QKDC has a broad selection of connections for a gaming monitor, including USB-C with DisplayPort Alt Mode and up to 65W USB Power Delivery. That can suit a compatible laptop setup, but the actual display signal and charging experience depend on the computer and cable. Check your source device’s capabilities and the AOC manual before relying on a particular connection or mode.
- 2× HDMI 2.1
- 1× DisplayPort 2.1 UHBR 20
- USB-C 3.2 with DisplayPort Alt Mode and up to 65W power delivery
- USB hub with three downstream ports and a KVM switch
- 3.5mm headphone output
The stand provides 150mm of height adjustment, tilt, swivel and pivot. The monitor also supports VESA 100×100mm mounting.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Price, warranty and who should buy it
Club386 listed a UK price of £799 in its review published on 19 August 2026. That is dated UK review context, not a current quote or a price for other regions. Check local pricing before buying. The review compared the monitor with options spanning similarly priced high-refresh OLED displays and less expensive, lower-refresh models; those comparisons reflect the market at review time, not verified current offers.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →AOC’s launch announcement says the monitor’s warranty includes OLED burn-in protection, and its regional product page lists a three-year warranty. Terms can differ by country, so check the warranty applicable to your purchase and follow the manufacturer’s panel-care instructions. AOC’s launch announcement.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
- It is a strong fit if you want an esports-focused OLED, value QHD at up to 540Hz, and appreciate having 720Hz available as a lower-resolution option.
- Look elsewhere if you would rather have a larger, sharper 4K display, or if the 720p compromise makes the headline refresh rate unappealing.
- Consider carefully if accurate, uniform colour or crisp text is a priority: the independent review noted colour variation and minor text fringing.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
