AOC G4 Q27G4ZD 27″ 280Hz Monitor

27 inch · 2560 x 1440 · 280 Hz · OLED

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 280 Hz
Panel OLED
Response time 0.03 ms

AOC G4 Q27G4ZD 27″ 280Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 280 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-03-22

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 280 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2025-03-22
Part number: Q27G4ZD
EAN / UPC: 6973985232534

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: QD-OLED
Panel type: OLED
LED backlight: Yes
Backlight type: W-LED
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 0.3 ms
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 150000:1
Maximum refresh rate: 280 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: 108.8 ppi
Viewable size, horizontal: 59 cm
Viewable size, vertical: 33.4 cm
Display diagonal (metric): 67.3 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400 True Black
Surface hardness: 2H
Colour gamut standard: Adobe RGB, DCI-P3, sRGB
sRGB coverage (typical): 141.3%
Adobe RGB coverage: 98.4%
DCI-P3 coverage: 99.4%

Performance

AMD FreeSync refresh rate range: 48 - 260 Hz
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes
Game mode: Yes

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Design

Market positioning: Gaming
Product colour: Black, Red
Frameless design: Yes
Front bezel colour: Black
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
Number of USB Type-B upstream ports quantity: 1
USB Type-A downstream ports quantity: 4
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Headphone connectivity: 3.5 mm

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable management: Yes
Cable lock slot: Yes
Cable lock slot type: Kensington
Height adjustment: Yes
Adjustable height (max): 13 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Swivel angle range: 28 - 28°
Tilt adjustment: Yes
Tilt angle range: -3 - 21°
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

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): F
Energy consumption (SDR) per 1000 hours: 24 kWh
Energy consumption (HDR) per 1000 hours: 24 kWh
Power consumption (typical): 78 W
Power consumption (standby): 0.3 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: Internal
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 609.3 mm
Depth (with stand): 240 mm
Height (with stand): 537.7 mm
Weight (with stand): 6.6 kg
Width (without stand): 357.7 mm
Depth (without stand): 55 mm
Height (without stand): 357.7 mm
Weight (without stand): 5.2 kg

Other features

Brand specific technologies: Crosshair
Low input lag: Yes
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Motion blur reduction: Yes
Warranty period: 3 year(s)
Bezel thickness type: Frameless
Compliance certificates: BSMI, CB, CE, Federal Communications Commission (FCC), KC, KCC, Minimum Energy Performance Standards (MEPS), RCM, RoHS, TÜV mark
Certification: WEEE,REACH compliant,RoHs compliant

Recycling data

Packaging recyclability rate: 100%

Technical details

Native refresh rate: 60 Hz

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About this product

Conquer every match with the Q27G4ZD QHD 280Hz, QD-OLED gaming monitor The Q27G4ZD combines stunning QHD resolution with a blistering 280Hz refresh rate and a 0.03ms GtG response time on a QD-OLED panel for ultra-smooth, responsive gameplay. With HDR400 TrueBlack and low input lag, every frame is crisp and fluid. Featuring an ergonomic stand, and G-Menu software for customization, this monitor is built to enhance both performance and comfort in every session.

User manual (PDF)

Q27G4ZD vs similar monitors

	AOC G4 Q27G4ZD 27″ 280Hz Monitor	AOC G4 Q27G4ZD/69 27″ 280Hz Monitor	AOC Q27G4ZDP/WS 27" QHD 280Hz Tandem OLED Gaming Monitor White Color 2560x1440 0.03ms HDMI +	TCL 27X3B 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	280 Hz	280 Hz	280 Hz	280 Hz
Panel	OLED	OLED	OLED	OLED
Response time	0.03 ms	0.03 ms	0.03 ms	0.03 ms
Released	2025	2026	2026	2026