AOC G4 Q27G4SL/WS 27″ 300Hz Monitor

27 inch · 2560 x 1440 · 300 Hz · IPS

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 300 Hz
Panel IPS
Response time 1 ms

AOC G4 Q27G4SL/WS 27″ 300Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 300 Hz refresh rate and IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-10-04

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 300 Hz
Panel: IPS
Response time: 1 ms
Released: 2025-10-04
Part number: Q27G4SL/WS

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: IPS
LED backlight: Yes
Backlight type: W-LED
Display brightness (typical): 450 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 0.3 ms
Screen shape: Flat
Contrast ratio (typical): 1000:1
Dynamic contrast ratio marketing name: Mega DCR
Maximum refresh rate: 300 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.2331 x 0.2331 mm
Viewable size, horizontal: 59.7 cm
Viewable size, vertical: 33.6 cm
Digital horizontal frequency: 30 - 470 kHz
Digital vertical frequency: 48 - 320 Hz
Display diagonal (metric): 68.5 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400
DDC/CI: Yes

Performance

NVIDIA G-SYNC: Yes
NVIDIA G-SYNC type: G-SYNC Compatible
Low Blue Light technology: Yes

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Design

Market positioning: Gaming
Product colour: Black, Red
Frameless design: Yes
Front bezel colour: Silver

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
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°

Power

Power consumption (typical): 25 W
Power consumption (standby): 0.3 W
Power consumption (max): 55 W
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): 613.9 mm
Depth (with stand): 240 mm
Height (with stand): 516.6 mm
Weight (with stand): 4.82 kg
Width (without stand): 366.3 mm
Depth (without stand): 51.3 mm
Height (without stand): 366.3 mm
Weight (without stand): 3.36 kg

Other features

Compliance certificates: CE
Certification: RoHs compliant,CB,FCC

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About this product

27" Circular Polarized Gaming Monitor The world’s only 320Hz gaming monitor with TÜV Rheinland Circular Polarization certification pairs a 27" Fast IPS panel with circular polarized tech to reduce glare and fatigue. Experience stunning WQHD visuals with VESA DisplayHDRTM400 and ultra-responsive performance thanks to a 1ms GtG / 0.3MPRT response time, low input lag, G-sync compatible, Adaptive Sync, and MBR Sync. Gain a competitive edge with a full suite of gaming features including Sniper Scope, Dial Point, Game Color, Gaming Mode, and Shadow Control. The Q27G4SL/WS also supports PBP/PIP functionality, offers Flicker Free and Anti-Blue Light technologies, and a height-adjustable stand for maximum comfort. ...

Q27G4SL/WS vs similar monitors

	AOC G4 Q27G4SL/WS 27″ 300Hz Monitor	LG ELECTRONICS 27″ 300Hz Monitor	Gigabyte G27Q26 27” QHD Gaming Monitor	LG 27G550B-B 27″ 300Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	2560 x 1440	1920 x 1080	2560 x 1440	1920 x 1080
Refresh rate	300 Hz	300 Hz	275 Hz	300 Hz
Panel	IPS	IPS	IPS	IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026