AOC G4 Q27G42ZE 27″ 170Hz Monitor

27 inch · 2560 x 1440 · 170 Hz · VA

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 170 Hz
Panel VA
Response time 4 ms

AOC G4 Q27G42ZE 27″ 170Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 170 Hz refresh rate and VA panel. The high refresh rate makes fast games look smoother. It came out in 2026.

Released: 2026-07-03

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 170 Hz
Panel: VA
Response time: 4 ms
Released: 2026-07-03
Part number: CQ27G42FE
EAN / UPC: 6973985234507

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: VA
LED backlight: Yes
Backlight type: W-LED
Response time: 4 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 0.5 ms
Anti-glare screen: Yes
Screen shape: Curved
Screen curvature rating: 1500R
Contrast ratio (typical): 4000:1
Maximum refresh rate: 170 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 16.7 million colours
Pixel pitch: 0.2331 x 0.2331 mm
Pixel density: 109 ppi
Display diagonal (metric): 68.6 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: High Dynamic Range 10 (HDR10)
Colour gamut standard: DCI-P3, sRGB
sRGB coverage (typical): 128.2%
DCI-P3 coverage: 95.3%

Performance

VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Multimedia

Number of speakers: 2
RMS rated power: 4 W
Built-in speaker(s): Yes

Design

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

Ports & interfaces

HDMI: Yes
HDMI ports quantity: 1
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.4
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm
HDCP: Yes
HDCP version: 1.4/2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Cable lock slot type: Kensington
Tilt adjustment: Yes
Tilt angle range: -3.5 - 2.15°

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: 32 kWh
Power consumption (typical): 25 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): 611.5 mm
Depth (with stand): 197.6 mm
Height (with stand): 444.8 mm
Weight (with stand): 4.61 kg
Width (without stand): 367.6 mm
Depth (without stand): 76.8 mm
Height (without stand): 367.6 mm
Weight (without stand): 4.02 kg

Other features

Brand specific technologies: Crosshair
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Motion blur reduction: Yes
Warranty period: 3 year(s)
Bezel thickness type: Frameless

Check the manufacturer's page before buying.

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About this product

27" VA gaming monitor with 170 Hz refresh rate and 0.5ms response time delivering smooth gameplay, sharp Quad HD resolution, HDR ready and anti blue light performance. The 27" QHD VA gaming monitor delivers fast and responsive gameplay with a 170 Hz refresh rate and 0.5ms response time. With Adaptive Sync for smoother gameplay and anti-blue light technology for added comfort, it is built for fast action and longer sessions.

User manual (PDF)

Q27G42ZE vs similar monitors

	AOC G4 Q27G42ZE 27″ 170Hz Monitor	AOC Gaming Moniteur C32G42ZE	Philips 2000 series 27E3C2200/00 27″ 144Hz Monitor	Alienware AW3226DM 32″ 240Hz Monitor
Screen size	27 inch	32 inch	27 inch	32 inch
Resolution	2560 x 1440	2560 x 1440	1920 x 1080	2560 x 1440
Refresh rate	170 Hz	170 Hz	144 Hz	240 Hz
Panel	VA	VA	VA	VA
Response time	4 ms	4 ms	4 ms	4 ms
Released	2026	2026	2026	2026