AOC AGON PRO AGP277QKDC 27″ 540Hz Monitor

27 inch · 2560 x 1440 · 540 Hz · OLED

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 540 Hz
Panel OLED
Response time 0.03 ms

AOC AGON PRO AGP277QKDC 27″ 540Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 540 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-02-07

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 540 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2026-02-07
Part number: AGP277QKDC
EAN / UPC: 4038986183451

Display

Display diagonal: 67.3 cm (26.5")
Display resolution: 2560 x 1440 pixels
HD type: Quad HD
Native aspect ratio: 16:9
Display technology: OLED
Panel type: OLED
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 150000:1
Maximum refresh rate: 540 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.073 billion colours
Pixel pitch: 0.2292 x 0.2292 mm
Pixel density: 110.9 ppi
Viewable size, horizontal: 58.7 cm
Viewable size, vertical: 33 cm
Digital horizontal frequency: 30 - 510 kHz
Digital vertical frequency: 48 - 540 Hz
Display diagonal (metric): 67.3 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR True Black 500
DDC/CI: Yes
Colour gamut standard: Adobe RGB, DCI-P3, sRGB
sRGB coverage (typical): 150.9%
Adobe RGB coverage: 95.9%
DCI-P3 coverage: 99.5%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
Flicker-free technology: Yes

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Multimedia

Number of speakers: 2
RMS rated power: 10 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Grey
Front bezel colour: Grey
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
USB hub version: 3.2 Gen 1 (3.1 Gen 1)
USB upstream port type: USB Type-B
Number of upstream ports: 1
USB Type-A downstream ports quantity: 3
USB Type-C DisplayPort Alternate Mode: Yes
USB Power Delivery (USB PD): Yes
USB Power Delivery up to: 65 W
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 2.1
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
Built-in KVM switch: Yes

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 15 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Tilt adjustment: Yes
Tilt angle range: -5 - 23°
Picture-in-Picture: Yes
On Screen Display (OSD): Yes
On Screen Display (OSD) languages: Simplified Chinese, Traditional Chinese, Czech, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Croatian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian
Number of OSD languages: 19
LED indicators: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 25 kWh
Energy consumption (HDR) per 1000 hours: 30 kWh
Power consumption (typical): 60 W
Power consumption (standby): 0.5 W
Power consumption (max): 220 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Input current: 1.5 A
Power supply type: Internal
Energy efficiency scale: A to G

Operational conditions

Operating temperature (T-T): 0 - 40 °C
Storage temperature (T-T): -25 - 55 °C
Operating relative humidity (H-H): 10 - 85%
Storage relative humidity (H-H): 5 - 93%
Operating altitude: 0 - 5000 m
Non-operating altitude: 0 - 12192 m

Weight & dimensions

Width (with stand): 605.2 mm
Depth (with stand): 244.2 mm
Height (with stand): 548.8 mm
Weight (with stand): 7.04 kg
Width (without stand): 351 mm
Depth (without stand): 62.8 mm
Height (without stand): 351 mm
Weight (without stand): 4.94 kg

Other features

Brand specific technologies: Crosshair
Low input lag: Yes
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Warranty period: 3 year(s)
Bezel thickness type: Frameless

Technical details

Native refresh rate: 60 Hz

Check the manufacturer's page before buying.

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About this product

Redefining Esports Speed with Tandem W-OLED, Dual-Mode 540Hz / 720Hz Performance and Next-Generation Precision Designed for professional and competitive gamers, the AGP277QKDC pushes performance to new extremes with a 26.5" Tandem W-OLED panel. Its advanced four-layer stacked OLED architecture enhances light efficiency, colour accuracy, and long-term durability, delivering brighter visuals, richer colours, and sustained peak performance.

User manual (PDF)

AGP277QKDC vs similar monitors

	AOC AGON PRO AGP277QKDC 27″ 540Hz Monitor	Samsung LS27FG602SNXZA 27″ 500Hz Monitor	AOC AG276QZD/69 27″ 240Hz Monitor	AOC G4 Q27G4ZD/69 27″ 280Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	2560 x 1440	2560 x 1440	2560 x 1440	2560 x 1440
Refresh rate	540 Hz	500 Hz	240 Hz	280 Hz
Panel	OLED	OLED	OLED	OLED
Response time	0.03 ms	0.03 ms	0.03 ms	0.03 ms
Released	2026	2026	2026	2026