AOC G4 Q27G4SD 27″ 360Hz Monitor

27 inch · 2560 x 1440 · 360 Hz · OLED

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 360 Hz
Panel OLED
Response time 0.03 ms

AOC G4 Q27G4SD 27″ 360Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 360 Hz refresh rate and OLED panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-06-11

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 360 Hz
Panel: OLED
Response time: 0.03 ms
Released: 2025-06-11
Part number: Q27G4SD

Display

Display diagonal: 68.6 cm (27")
Display resolution: 2560 x 1440 pixels
HD type: Quad HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: OLED
LED backlight: Yes
Backlight type: QD
Display brightness (typical): 1000 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: 360 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
Viewable size, horizontal: 59 cm
Viewable size, vertical: 33.4 cm
Digital horizontal frequency: 30 - 510 kHz
Digital vertical frequency: 48 - 360 Hz
Display diagonal (metric): 67.3 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400 True Black, High Dynamic Range 10 (HDR10)
DDC/CI: Yes
sRGB coverage (typical): 100%
DCI-P3 coverage: 99%

Performance

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

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
HDCP: Yes
HDCP version: 2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable management: Yes
Cable lock slot: Yes
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: -5 - 23°
Picture-in-Picture: Yes
On Screen Display (OSD): Yes
Plug and Play: Yes

Power

Energy efficiency class (SDR): Not available
Energy efficiency class (HDR): Not available
Power consumption (typical): 72 W
Power consumption (standby): 0.5 W
Power consumption (max): 95 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Input current: 2 A
Power supply type: Internal

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): 609.3 mm
Depth (with stand): 240 mm
Height (with stand): 537.7 mm
Weight (with stand): 6.48 kg
Width (without stand): 357.7 mm
Depth (without stand): 58.2 mm
Height (without stand): 357.7 mm
Weight (without stand): 5.08 kg

Other features

Low input lag: Yes
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Compliance certificates: CE
Certification: RoHs compliant,CB,FCC

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About this product

27" QD-OLED Gaming Monitor Built for the truly valiant, the Q27G4SD features a 27" QD-OLED panel with an ultra-fast 360Hz refresh rate and 0.03ms GTG response time, delivering pro-level speed, precision, and visual clarity. With DisplayHDR True Black 400, Adaptive Sync, and low input lag, it ensures fluid, tear-free gameplay with deep contrast and vibrant colors. Designed for competitive dominance, it includes HDMI 2.1, a 3-sided frameless design, and advanced features like Gaming Mode, Shadow Control, Game Color, Dial Point, and Sniper Scope. Flicker-Free technology and Low Blue Light mode provide eye comfort for extended sessions, so you're always ready to win. ...

User manual (PDF)

Q27G4SD vs similar monitors

	AOC G4 Q27G4SD 27″ 360Hz Monitor	Samsung LS27DG600SNXZA 27″ 360Hz Monitor	AOC G4 Q27G4ZD/69 27″ 280Hz Monitor	AOC Q27G4ZDP/WS 27" QHD 280Hz Tandem OLED Gaming Monitor White Color 2560x1440 0.03ms HDMI +
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	360 Hz	360 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