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AOC’s new 26.5-inch 500Hz monitor is one of the fastest 1440p displays yet, thanks to Samsung's QD-OLED panel

AOC's new Agon Pro AG276QKD2 (pictured) bundles 2 x HDMI 2.1 (DSC), 1 x DisplayPort 2.1, 2 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-B (upstream), and a 3.5mm audio out port. No USB-C port here. (Image source: Display Specifications)
AOC's new Agon Pro AG276QKD2 (pictured) bundles 2 x HDMI 2.1 (DSC), 1 x DisplayPort 2.1, 2 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-B (upstream), and a 3.5mm audio out port. No USB-C port here. (Image source: Display Specifications)
AOC’s new AGON Pro AG276QKD2 is a 26.5-inch QD-OLED monitor with 1440p resolution, 500Hz refresh rate, DisplayHDR 500 True Black, and great color coverage. No launch price or availability info is out yet.

AOC just launched the AG326UZD on the 1st of this month. It's a 31.5-inch 4K QD-OLED monitor with 240Hz refresh rate, and succeeds last year's AG326UD. Now, it seems the company has a new model in the pipeline for the QHD crowd: the AGON Pro AG276QKD2.

This one’s a 26.5-inch QD-OLED panel with a native 2560 x 1440 resolution and a crazy high 500Hz refresh rate. While 500Hz support isn’t exactly new in the gaming monitor scene, it’s still somewhat rare - especially when paired with a QD-OLED panel. A lot of 500Hz displays today still rely on TN or fast IPS tech, making this a standout factor for the AG276QKD2.

The panel comes from Samsung - the same panel used in the Samsung Odyssey OLED G6, Gigabyte Aorus FO27Q5P and Philips Evnia 27M2N8500X), and it’s a full 10-bit display with excellent color coverage: 100% sRGB, 99% DCI-P3, and 98% Adobe RGB. Furthermore, it has a static contrast ratio of 1.5 million to 1 and DisplayHDR 500 True Black support. Brightness is capped at 300 nits typical and 1000 nits peak. The pixel density stands at 110 PPI, which is decent for a 1440p resolution on a 26.5-inch screen, and display area utilization (as per AOC) is above 90%.

(Image source: Display Specifications)
(Image source: Display Specifications)

The monitor stand supports full height adjustment (130mm), -5° to +23° tilt, ±30° swivel, and both 90° portrait pivots. It’s also VESA mountable and includes dual 5W speakers onboard for very basic audio needs. The monitor comes in a dual-tone black and gun gray finish with RGB Light FX elements integrated into the back.

On the I/O front, you're looking at 2 x HDMI 2.1 (DSC), 1 x DisplayPort 2.1, 2 x USB 3.2 Gen 1 Type-A, 1 x USB 3.2 Gen 1 Type-B (upstream), and a 3.5mm audio out port. No USB-C though, which might be a minor deterrent for some, considering most monitors are launching with the same these days.

As for gaming features, AOC has included all the usual bells and whistles: Adaptive-Sync, AMD FreeSync, Dynamic Crosshairs, Game Color, Shadow Control, Picture-in-Picture and Picture-by-Picture, plus AOC’s own G-Menu software for customization. QD-OLED Care features are also bundled in to reduce risk of burn-in over time.

International availability and pricing haven't been announced yet, but given its spec sheet, it’s likely going to sit near the top-end of the 1440p monitor segment.

Buy the AOC Agon PRO AG276QZD2 27" OLED gaming Monitor on Amazon.

(Image source: Display Specifications)
(Image source: Display Specifications)
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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 08 > AOC’s new 26.5-inch 500Hz monitor is one of the fastest 1440p displays yet, thanks to Samsung's QD-OLED panel
Anubhav Sharma, 2025-08- 5 (Update: 2025-08- 5)