AOC U27B3AF computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black

AOC

AOC U27B3AF computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black

Name: AOC U27B3AF computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black
Brand: AOC

27" 4K IPS panel with HDR10 support and wide color coverage

Manufacturer reference U27B3AF

57 /100 Its best score: the brightest screen, rated "good" on its category’s scale.

No offer in stock on the GB market yet.

What the AOC U27B3AF computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LED Black is worth

The AOC U27B3AF is a 68.6 cm (27") PC monitor with a flat IPS panel displaying a 4K Ultra HD resolution of 3840 x 2160 pixels in 16:9 format. It offers a 60 Hz refresh rate, a 4 ms GTG response time, HDR10 support, built-in speakers, and a height adjustment of 11 cm.

Within the PC monitor market, this model reaches an overall score of 53/100. Its screen size is rated comfortable (70/100) and its responsiveness good (70/100), with a 4 ms response time matching the market median. Its brightness of 350 cd/m² also sits above the market median (300 cd/m²), earning a 77/100 rating. However, its refresh rate (60 Hz versus a 100 Hz median) and color count (1.073 billion versus a 16.7 median) remain basic.

Connectivity includes two HDMI 2.0 ports and one DisplayPort 1.4, VESA 100 x 100 mm mounting, and a Kensington lock slot. Energy efficiency class is F in SDR and G in HDR, with typical power consumption of 27 W. Warranty period is 3 years.

This monitor suits office or multimedia use seeking sharp 4K definition and good brightness, without requiring a high refresh rate or wide color gamut.

What the spec sheet says

68.6 cm (27") Black
Height adjustment 11 cm Built-in speaker(s)
HDMI HDMI version: 2.0 DisplayPorts quantity: 1 DisplayPort version: 1.4
Screen shape: Flat
Maximum refresh rate: 60 Hz Response time: 4 ms Response time measurement type: GTG (Gray to Gray)
3840 x 2160 pixels 4K Ultra HD Panel type: IPS
Energy efficiency class (SDR): F
Warranty period: 3 year(s)

Its scores, criterion by criterion

Scores out of 100, calculated from the datasheet and compared with the market. The full method is public.

Brightness Good

350 cd/m² · category median: 300 cd/m²

Responsiveness Responsive

4 ms · category median: 5 ms

Screen size Comfortable

27 " · category median: 27 "

Smoothness Basic

60 Hz · category median: 120 Hz

Colours Basic

1.1 · category median: 16.7

Documents

What the manufacturer publishes about this model. Each document opens in a new tab.

EU Energy Label PDF 75.3 KB User manual PDF 3.6 MB EU Product Fiche PDF 94.2 KB EU Product Fiche PDF 94.1 KB

Specifications

Display 30

Display diagonal 68.6 cm (27")

Display resolution 3840 x 2160 pixels

HD type 4K Ultra HD

Native aspect ratio 16:9

Display technology LED

Panel type IPS

Response time 4 ms

Screen shape Flat

Contrast ratio (typical) 1000:1

Maximum refresh rate 60 Hz

Display number of colours 1.073 billion colours

LED backlight Yes

Backlight type W-LED

Display brightness (typical) 350 cd/m²

Response time measurement type GTG (Gray to Gray)

Anti-glare screen Yes

Contrast ratio (dynamic) 20000000:1

Viewing angle, horizontal 178°

Viewing angle, vertical 178°

Viewable size, horizontal 59.8 cm

Viewable size, vertical 33.6 cm

Display diagonal (metric) 68.6 cm

High Dynamic Range (HDR) supported Yes

High Dynamic Range (HDR) technology High Dynamic Range 10 (HDR10)

Surface hardness 3H

Colour gamut standard Adobe RGB, DCI-P3, NTSC, sRGB

sRGB coverage (typical) 125.1%

NTSC coverage (typical) 109%

Adobe RGB coverage 107.2%

DCI-P3 coverage 99.6%

Performance 2

Flicker-free technology Yes

Low Blue Light technology Yes

Multimedia 4

Built-in speaker(s) Yes

Built-in camera No

Number of speakers 2

RMS rated power 4 W

Design 4

Product colour Black

Front bezel colour Black

Detachable stand Yes

Feet colour Black

Ports & interfaces 9

Built-in USB hub No

HDMI Yes

Headphone out Yes

HDMI ports quantity 2

HDMI version 2.0

DisplayPorts quantity 1

DisplayPort version 1.4

Headphone connectivity 3.5 mm

Built-in KVM switch No

Ergonomics 10

VESA mounting Yes

Cable lock slot Yes

Height adjustment Yes

Panel mounting interface 100 x 100 mm

Cable lock slot type Kensington

Adjustable height (max) 11 cm

Tilt adjustment Yes

Tilt angle range -5 - 20°

On Screen Display (OSD) Yes

On Screen Display (OSD) languages Simplified Chinese, Traditional Chinese, Czech, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Croatian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian

Power 12

Energy efficiency class (SDR) F

Energy efficiency class (HDR) G

Energy consumption (SDR) per 1000 hours 25 kWh

Energy consumption (HDR) per 1000 hours 40 kWh

Power consumption (typical) 27 W

Power consumption (standby) 0.5 W

Power consumption (max) 52 W

Power consumption (off) 0.3 W

AC input voltage 100 - 240 V

AC input frequency 50/60 Hz

Power supply type Internal

Energy efficiency scale A to G

Weight & dimensions 8

Width (with stand) 614 mm

Depth (with stand) 229.8 mm

Height (with stand) 517.9 mm

Weight (with stand) 5.2 kg

Width (without stand) 614 mm

Depth (without stand) 45.7 mm

Height (without stand) 363.8 mm

Weight (without stand) 3.64 kg

Packaging data 1

Package weight 8.74 kg

Packaging content 2

Cables included AC, HDMI

HDMI cable length 1.5 m

Sustainability 1

Doesn't contain Mercury, PVC/BFR

Other features 4

Warranty period 3 year(s)

Bezel thickness type Frameless

Mean time between failures (MTBF) 50000 h

Certification WEEE,REACH compliant,RoHs compliant

Technical details 1

Native refresh rate 60 Hz

Who this model suits

It’s for you if

Your first criterion is the brightness: it happens to be its best score.

You want a good score on the responsiveness, above its category average.

You prefer a model tracked across several merchants, to buy at the right time.

Skip it if

Its lowest score is on the colour count: skip it if that is decisive for you.

Frequently asked questions

Answers drawn from this model’s datasheet.

The screen is capped at 60 Hz, while the market median is 100 Hz. The fluidity score is 30/100, rated basic: fine for office work and creative tasks but not for fast-paced gaming.

Yes: the IPS panel covers 125.1% sRGB, 107.2% Adobe RGB and 99.6% DCI-P3, with a brightness of 350 cd/m² rated good (77/100). This wide color coverage suits demanding creative work.

Yes, the stand offers 11 cm of height adjustment and a tilt range of -5 to 20°. The stand is also detachable for VESA 100 x 100 mm mounting.