AOC Q27E4U

2560 x 1440 pixels, 27"
3Ratings
BrandMore from AOC
Test reportsVery good based on 1 test
Energy Label D
Delivered between Tue, 16.6. and Wed, 17.6.
More than 10 pieces in stock at supplier
free shipping

Product details

Expand your view with the Q27E4U 27" QHD monitor featuring 120 Hz, height adjustability, and a 5-year warranty. The Q27E4U 27" QHD monitor offers a stunning resolution of 2560 x 1440 and a smooth refresh rate of 120 Hz for perfect performance. Enjoy ergonomic comfort with the height-adjustable stand and protect your eyes with the hardware-based blue light filter technology. The Q27E4U is designed for reliability and long-term use, coming with an impressive 5-year warranty, making it the perfect choice for work.

Key specifications

Display resolution
WQHD
Display technology
WLED
Refresh rate
120 Hz
Monitor equipment
HDR functionality, Integrated loudspeakers, Integrated USB hub, KVM Function, Slot for Kensington lock
Video connections
DisplayPort (1x), HDMI (1x)
USB ports
USB-A, USB-B
Documents
Technical data sheet.pdf

General information

Item number
55681589
Manufacturer
AOC
Category
Monitor
Manufacturer No.
Q27E4U
Release date
7.3.2025
Sales rank in Category Monitor
529 of 3479
External links
Manufacturer's site (de)
May include power adapter
No

Colour

Colour
Black
Exact colour description
Black

Display properties

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
WLED
Panel
IPS
Panel technology
IPS
Refresh rate
120 Hz
Aspect ratio
16:9
Contrast ratio
1500:1
Response time (grey-to-grey)
4 ms
Brightness
350 cd/m²
Colour depth
16.70 bits
Colour space coverage
sRGB: 121.9%
Viewing angle (H)
178°
Viewing angle (V)
178°

Features + Functions

Monitor equipment
HDR functionality, Integrated loudspeakers, Integrated USB hub, KVM Function, Slot for Kensington lock

Mounting + Ergonomics

Adjustability
Height-adjustable, Pivot function, Rotatable, Tiltable
VESA wall mount
100 x 100 mm

Connections

Video connections
DisplayPort (1x), HDMI (1x)
HDMI version
2.0
DisplayPort version
1.2
USB ports
USB-A, USB-B
Exact USB ports
USB-A 3.2 Gen 1 (4x), USB-B 3.0 (1x)
Audio Connections
Jack 3.5mm (1x)

Power

Power consumption
31 W
Power consumption (standby)
0.30 W
Energy consumption per year
16 kWh

Energy declaration

Energy efficiency class
D

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
152.92 kg
Climate contribution
CHF 3.64

Scope of delivery

Scope of delivery
AC cable, DisplayPort cable, HDMI cable

Product dimensions

Width
616 mm
Length
222 mm
Height
398.70 mm
Weight
6.15 kg

Package dimensions

Length
73 cm
Width
48 cm
Height
14 cm
Weight
8.90 kg

30-day right of return
5 years Warranty (Bring-in)
12 additional offers

Compare products

Goes with

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
  • 9.Fujitsu
    0.9 %
  • 9.Lenovo
    0.9 %
  • 13.AOC
    1 %
  • 13.Minix
    1 %
  • 13.Philips
    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
  • 11.LG
    4 days
  • 11.MSI
    4 days
  • 15.AOC
    5 days
  • 15.Lenovo
    5 days
  • 15.Philips
    5 days

Return rate

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

Source: Digitec Galaxus
  • 5.Lenovo
    2.6 %
  • 6.Dell
    2.8 %
  • 7.AOC
    2.9 %
  • 8.iiyama
    3 %
  • 9.Eizo
    3.3 %
Source: Digitec Galaxus

Translation: machine translated
Very good83/100
Computer Bild Logo
Rank 1 out of 4Computer BildViel Bildschirm für wenig GeldReleaseMay 2026
  • PositiveSharp picture with very good colours
  • Positivefair price
  • PositiveUSB-C with DisplayPort
  • NegativeDisplay reflects somewhat strongly

It is not uncommon for AOC monitors to win the price-performance award. The AOC Q27E4CV is not satisfied with this in the test and dusts off the test winner trophy at the same time. The reason? In addition to the unrivalled price of EUR 184, the 27-inch monitor impressed with crisp colours, a very high refresh rate and an innovative swivel base.

This test report belongs to a different type: Q27E4CV (2560 x 1440 pixels, 27")
Go to complete test report