AOC Q27E4UJ 27″ 120Hz Monitor

27 inch · 2560 x 1440 · 120 Hz · IPS

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 120 Hz
Panel IPS
Response time 4 ms

AOC Q27E4UJ 27″ 120Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 120 Hz refresh rate and IPS panel. Fine for work and everyday use; for fast shooters look at 144 Hz and up. It came out in 2025.

Released: 2025-10-04

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 120 Hz
Panel: IPS
Response time: 4 ms
Released: 2025-10-04
Part number: Q27E4UJ

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
Response time: 4 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 1 ms
Screen shape: Flat
Contrast ratio (typical): 1500:1
Maximum refresh rate: 120 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
High Dynamic Range (HDR) supported: Yes

Multimedia

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

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Design

Market positioning: Consumer
Product colour: Black

Ports & interfaces

Built-in USB hub: Yes
USB upstream port type: USB Type-B
Number of upstream ports: 1
Number of downstream ports: 4
Number of USB Type-B upstream ports quantity: 1
USB Type-A downstream ports quantity: 4
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 2.0
DisplayPorts quantity: 1
DisplayPort version: 1.2
Headphone out: Yes
Headphone outputs: 1
Headphone connectivity: 3.5 mm

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Height adjustment: Yes
Adjustable height (max): 15 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Tilt adjustment: Yes
Tilt angle range: -5 - 23°

Power

Energy efficiency class (SDR): Not available
Energy efficiency class (HDR): Not available
Power consumption (typical): 31 W
Power supply type: Internal

Weight & dimensions

Width (with stand): 616 mm
Depth (with stand): 222 mm
Height (with stand): 548.7 mm
Weight (with stand): 6.15 kg
Width (without stand): 361.5 mm
Depth (without stand): 51.7 mm
Height (without stand): 361.5 mm
Weight (without stand): 4.14 kg

Other features

Compliance certificates: CE
Certification: RoHs compliant,FCC

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About this product

27" QHD 120Hz Monitor Experience exceptional detail on the Q27E4UJ, a 27" QHD IPS monitor with an Ultra Narrow Bezel. It features HDR10 and Clear Vision to enhance every image, while Dark Boost makes details in dark scenes easily visible. A 120Hz refresh rate, 1ms MPRT, and MBR provide fluid motion with Adaptive Sync. Stay comfortable with a Height-Adjustable Stand, Flicker Free, and Low Blue Mode technology. Configure settings quickly with i-Menu, enjoy integrated speakers for everyday audio, and reduce environmental impact with sustainable Green Packaging. ...

Q27E4UJ vs similar monitors

	AOC Q27E4UJ 27″ 120Hz Monitor	AOC Q27E4CW 27″ 120Hz Monitor	AOC Q27P4C/75 27″ 120Hz Monitor	AOC Q27P4C 27″ 120Hz Monitor
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	120 Hz	120 Hz	120 Hz	120 Hz
Panel	IPS	IPS	IPS	IPS
Response time	4 ms	4 ms	4 ms	4 ms
Released	2025	2026	2026	2026