AOC Q27G4ZR

2560 x 1440 pixels, 27"
Delivered the day after tomorrow
More than 10 pieces in stock
free shipping

Colour2

Product details

Win every game with the Q27G4ZR QHD 240Hz gaming monitor, overclockable to 260Hz. The Q27G4ZR combines stunning QHD resolution with a blazing refresh rate of 240Hz, which can be overclocked to 260Hz, and a 1ms GtG response time on a Fast IPS panel for extremely smooth and responsive gameplay. With HDR400, low input lag, and an eSports-focused design, every frame is sharp and fluid. Featuring an ergonomic stand, built-in speakers, and G-Menu software for customization, this monitor is designed to enhance both performance and comfort during every session.

Key specifications

Monitor type
Gaming monitor
Display resolution
WQHD
Display technology
LED
Refresh rate
260 Hz
Monitor equipment
HDR functionalitySlot for Kensington lock
Video connections
DisplayPort (1x)HDMI (2x)
Documents
Technical data sheet.pdf

General information

Item number
55681573
Manufacturer
AOC
Category
Monitor
Manufacturer No.
Q27G4ZR
Release date
7.3.2025
Sales rank in Category Monitor
98 of 3454
May include power adapter
Yes

Colour

Colour
Black
Exact colour description
BlackRed

Display properties

Monitor type
Gaming monitor
Display size (inches)
27"
Screen size (cm)
68.60 cm
Image resolution
2560 x 1440 pixels
Display resolution
WQHD
Pixel density
109 ppi
Pixel pitch
0.23 mm
Display
LCD
Display technology
LED
Panel technology
FAST IPS
Refresh rate
260 Hz
Aspect ratio
16:9
Screen surface
Anti-glare
Contrast ratio
1000:1
Response time (grey-to-grey)
1 ms
Reaction time MPRT
0.30 ms
Brightness
400 cd/m²
Colour depth
8 bits
Colour space coverage
sRGB: 123.6%
Viewing angle (H)
178°
Viewing angle (V)
178°

Features + Functions

Monitor equipment
HDR functionalitySlot for Kensington lock
Touch
Without touch function
Sync-Technology
Adaptive Sync
HDR Certification
Vesa DisplayHDR 400

Mounting + Ergonomics

Adjustability
Height-adjustablePivot functionRotatableTiltable
VESA wall mount
100 x 100 mm

Connections

Video connections
DisplayPort (1x)HDMI (2x)
HDMI version
2.0
DisplayPort version
1.4
Audio Connections
Jack 3.5mm Out (1x)

Power supply

Power consumption
25 W
Power consumption (standby)
0.30 W
Power consumption (Off)
0.30 W
Energy consumption per year
25 kWh

Energy declaration

Energy efficiency class
F

Origin

Country of origin
China

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
573.37 kg
Climate contribution
CHF 8.–

Scope of delivery

Scope of delivery
DisplayPortHDMI

Product dimensions

Width
611.50 mm
Length
177 mm
Height
457 mm
Weight
4.97 kg

Package dimensions

Length
82 cm
Width
48 cm
Height
16 cm
Weight
9.08 kg

30-day right of return
36 Months Warranty (Bring-in)
13 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Monitor» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 8.Dell
    0.9 %
  • 8.Lenovo
    0.9 %
  • 11.AOC
    1 %
  • 11.Hannspree
    1 %
  • 11.Minix
    1 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 9.Verbatim
    4 days
  • 9.Xiaomi
    4 days
  • 15.AOC
    5 days
  • 15.Apple
    5 days
  • 15.Lenovo
    5 days

Return rate

How often is a product of this brand in the «Monitor» category returned?

Source: Digitec Galaxus
  • 7.Dell
    2.8 %
  • 8.iiyama
    2.9 %
  • 9.AOC
    3 %
  • 10.Arzopa
    3.3 %
  • 10.ēlo
    3.3 %
Source: Digitec Galaxus

Translation: machine translated
Very good90/100
PC Games Hardware Logo
Rank 3 out of 5PC Games Hardware5 günstige, flinke Gaming-MonitoreReleaseApril 2026
  • PositiveGood picture
  • Positivecheap
  • Positivefast
  • PositiveExtensive feature
  • NegativeErgonomics
  • NegativeAdjustment options