AOC G4 Q27G4ZDRAD 27″ 240Hz Monitor

27 inch · 2560 x 1440 · 240 Hz · OLED

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 240 Hz
Panel OLED
Response time 0.03 ms

AOC G4 Q27G4ZDRAD 27″ 240Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 240 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-07-02

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 240 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2026-07-02
Part number: Q27G4ZDRAD
EAN / UPC: 4038986183826

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
Display brightness (typical): 400 cd/m²
Response time: 0.03 ms
Response time measurement type: GTG (Gray to Gray)
Screen shape: Flat
Contrast ratio (typical): 150000:1
Maximum refresh rate: 240 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.2292 x 0.2292 mm
Pixel density: 110.84 ppi
Display diagonal (metric): 67.3 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Surface hardness: 2H
Colour gamut standard: Adobe RGB, DCI-P3, sRGB
sRGB coverage (typical): 147.6%
Adobe RGB coverage: 98%
DCI-P3 coverage: 99.1%

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
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
Front bezel colour: Black
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4

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): 13 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Swivel angle range: -30 - 30°
Tilt adjustment: Yes
Tilt angle range: -3 - 21.5°
Picture-in-Picture: Yes

Power

Energy efficiency class (SDR): E
Energy efficiency class (HDR): E
Energy consumption (SDR) per 1000 hours: 21 kWh
Energy consumption (HDR) per 1000 hours: 21 kWh
Power consumption (typical): 63 W
Power consumption (standby): 0.3 W
Power consumption (off): 0.3 W
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): 207.7 mm
Weight (with stand): 5.52 kg
Width (without stand): 609.3 mm
Depth (without stand): 57 mm
Height (without stand): 355.3 mm
Weight (without stand): 4.09 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
Compliance certificates: CE
Certification: WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC

Technical details

Native refresh rate: 60 Hz

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About this product

Immerse yourself in stunning colour and smooth motion with the Q27G4ZDRAD QD-OLED monitor, featuring 240Hz QHD performance and HDR10 brilliance The Q27G4ZDRAD QD-OLED Monitor blends cutting-edge display technology with competitive performance. With QHD resolution at 240Hz, every detail is crisp and fluid, while HDR10 enhances contrast and colour for lifelike visuals. AdaptiveSync with G-Sync Compatibility ensures smooth, tear-free gameplay, supported by HDMI 2.1 connectivity and ultra-low input lag. The ergonomic stand, USB hub, G-Menu customization, and 3-year warranty make the Q27G4ZDR a premium choice for gamers seeking both immersion and reliability.

User manual (PDF)

Q27G4ZDRAD vs similar monitors

	AOC G4 Q27G4ZDRAD 27″ 240Hz Monitor	AOC AG276QZD/69 27″ 240Hz Monitor	ASUS ROG Strix XG27AQDMES-R 27″ 240Hz Monitor	BenQ EX271QMZ 27″ 240Hz 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	240 Hz	240 Hz	240 Hz	240 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