AOC E4 27E4UJ 27″ 120Hz Monitor

27 inch · 1920 x 1080 · 120 Hz · IPS

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Screen size 27 inch
Resolution 1920 x 1080
Refresh rate 120 Hz
Panel IPS
Response time 4 ms

AOC E4 27E4UJ 27″ 120Hz Monitor is a 27-inch monitor with 1920 x 1080 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: 1920 x 1080
Refresh rate: 120 Hz
Panel: IPS
Response time: 4 ms
Released: 2025-10-04
Part number: 27E4UJ

Display

Display diagonal: 68.6 cm (27")
Display resolution: 1920 x 1080 pixels
HD type: Full 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: 0.3114 x 0.3114 mm
High Dynamic Range (HDR) supported: Yes

Performance

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: Consumer
Product colour: Black
Frameless design: Yes

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
VGA (D-Sub) ports quantity: 1
HDMI: Yes
HDMI ports quantity: 1
HDMI version: 1.4
DisplayPorts quantity: 1
DisplayPort version: 1.2
Audio input: Yes
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 - 30°

Power

Energy efficiency class (SDR): Not available
Energy efficiency class (HDR): Not available
Power consumption (typical): 20 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): 5.56 kg
Width (without stand): 361.5 mm
Depth (without stand): 50.5 mm
Height (without stand): 361.5 mm
Weight (without stand): 3.55 kg

Other features

Compliance certificates: CE
Certification: RoHs compliant,FCC

Check the manufacturer's page before buying.

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About this product

27" IPS 120Hz Monitor Experience stunning visuals on the 27E4UJ, a 27" IPS monitor with an Ultra Narrow Bezel. Its HDR Mode and Clear Vision enhance every detail, while a smooth 120Hz refresh rate and 1ms MPRT with MBR eliminate motion blur. Stay comfortable with Flicker Free and Low Blue Mode technologies, and find your perfect position with the Height-Adjustable Stand. This monitor also features i-Menu for effortless settings controls and built-in speakers for convenience. It's all delivered in a sustainable Green Package, combining performance with a commitment to the environment. ...

User manual (PDF)

27E4UJ vs similar monitors

	AOC E4 27E4UJ 27″ 120Hz Monitor	Lenovo ThinkVision T27-40 Monitor	Philips 3000 series 27B2N3200A/61 27″ 120Hz Monitor	Philips 3000 series 27B2N3200J/00 27″ 120Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	1920 x 1080	1920 x 1080	1920 x 1080	1920 x 1080
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	2025	2026	2026