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Before you believe a bad review about us

We would like to respond openly to every negative review about us. Many are posted anonymously, so we cannot reach those customers directly. This open letter is our reply, and we would be grateful if you took a moment to read it.

But here is what a one-star review will never tell you:

  • We import from 70+ official distributors. That is why you pay far less than local retail — and why delivery takes longer. We publish the date before you pay, never after.
  • You can pay only when your goods land in Johannesburg. Pay on Arrival, no full payment up front. Ask yourself what scammer offers that.
  • Nobody has ever lost money with us. You get the product, or you get a refund. There is no third option, and there never has been.
  • We are part of the ITwork group — ten years trading in Europe, nine stores, thousands of positive reviews.
  • Johannesburg and Cape Town stores open this year — real shelves, real stock, walk in and buy the same day.

We are not satisfied with our review scores, and we are not going to fix them by hiding anything. We are fixing them by being faster, clearer and easier to reach than any reason to complain.

Read the full letter — photos and video of real shipments, and a straight answer to every accusation.

Problem with an order right now? Write to [email protected], [email protected] or [email protected] — answered the same business day. The letter also lists our group and store owners' contacts.
Know our brand? Leave an honest review, send us a screenshot, and pick a free gift — shipped free of charge within 1–2 business days.
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AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black

AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
0 reviews • Write a review
R5,786
+R11 Reward
27-inch UHD monitor offering a VA panel, HDR10, AdaptiveSync, and eye comfort featuresEnhance your viewing experience with the AOC U27B3M. This 27-inch UHD monitor boasts a VA panel for deep contrasts and rich colors, alongside a 60Hz refresh rate for smooth visuals. Enjoy clear and jitter-free imag... Read More
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Stock 5 Code 29391 Brand AOC Model U27B3M Warranty 2 Years

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Estimated delivery Tuesday, September 29
You will be kept updated through our detailed tracking system
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27-inch UHD monitor offering a VA panel, HDR10, AdaptiveSync, and eye comfort features
Enhance your viewing experience with the AOC U27B3M. This 27-inch UHD monitor boasts a VA panel for deep contrasts and rich colors, alongside a 60Hz refresh rate for smooth visuals. Enjoy clear and jitter-free images thanks to AdaptiveSync technology and HDR10 support. The monitor features low blue light and flicker-free technology to reduce eye strain, making it perfect for extended use. The basic normal stand ensures a stable setup, making this monitor a reliable addition to your workspace.
Flicker Free

Flicker Free

AOC Flicker-Free Technology utilises a DC (Direct Current) backlight panel, reducing flickering light levels. With eye strain and fatigue absolutely minimized, feel free to enjoy those long, intense gaming sessions in comfort!

UHD (4K) Resolution

4K Ultra High-Definition (3840 x 2160) resolution delivers ultra-crisp picture quality and allows users to see more on the screen at one time. This provides more screen 'real estate' and shows more detail for sharper and more brilliant images. Whether working on the next beautiful photo, or design, or even just used for productivity, users will marvel at the true, crisp image that only a UHD display can provide.
UHD (4K) Resolution
Adaptive sync

Adaptive sync

Adaptive Sync aligns your monitor’s vertical refresh rate with the frame rate delivered by your GPU, making your gameplay and casual gaming experience even more fluid by eliminating stuttering, tearing and judder. This feature is also useful when enjoying videos and other visual media, for a smoother entertainment.

Experience enhanced visuals with HDR10

HDR10 technology takes picture quality to the next level, seamlessly enhancing the synchronization between your device and monitor. Enjoy vibrant, true-to-life visuals with enhanced depth, clarity, and color accuracy—perfect for creating an immersive and smooth viewing experience. Whether you're working, watching movies, or simply enjoying high-definition content, HDR10 makes every moment sharper and more engaging.
Experience enhanced visuals with HDR10

How to use

Connect the monitor to your PC or laptop using a compatible video cable (DisplayPort or HDMI) that supports UHD at 60 Hz. Adjust display settings from your operating system or the monitor’s on-screen menu to enable AdaptiveSync and HDR10 if supported by your graphics card and source. Use the low blue light mode and flicker-free setting for extended sessions to reduce eye strain. Place the monitor on a stable surface and adjust viewing distance and angle to suit ergonomic needs.

Recommendations

For best results, use a graphics card and cable that support 4K at 60 Hz and enable HDR10 in both the monitor menu and your source device. Position the monitor at eye level and take regular breaks to minimize eye fatigue during long use.

Key Highlights
  • Screen size: 27 inches (UHD)
  • Panel type: VA
  • Resolution: UHD (3840 × 2160)
  • Refresh rate: 60 Hz
  • AdaptiveSync: supported
  • HDR: HDR10
  • Eye comfort: low blue light, flicker-free
  • Stand: basic/normal
Specifications
AC (power) in
Yes
AC input frequency
50/60 Hz
AC input voltage
100 - 240 V
Adobe RGB coverage
106.5%
Anti-glare screen
Yes
Backlight type
W-LED
Bezel thickness type
Frameless
BT.2020 coverage
72.1%
Built-in KVM switch
No
Built-in speaker(s)
No
Built-in USB hub
No
Cable lock slot
Yes
Cable lock slot type
Kensington
Cables included
AC, HDMI
Certification
WEEE,REACH compliant,RoHs compliant
Contrast ratio (dynamic)
20000000:1
Contrast ratio (typical)
3500:1
DCI-P3 coverage
99%
DDC/CI
Yes
Depth (with stand)
229.8 mm
Depth (without stand)
45.5 mm
Detachable stand
Yes
Display brightness (typical)
300 cd/m²
Display diagonal
68.6 cm (27")
Display diagonal (metric)
68.6 cm
Display number of colours
1.073 billion colours
Display resolution
3840 x 2160 pixels
Display technology
LCD
DisplayPort version
1.4
DisplayPorts quantity
1
Doesn't contain
Mercury, PVC/BFR
Energy consumption (HDR) per 1000 hours
38 kWh
Energy consumption (SDR) per 1000 hours
26 kWh
Energy efficiency class (HDR)
G
Energy efficiency class (SDR)
F
Energy efficiency scale
A to G
Flicker-free technology
Yes
Frameless design
Yes
Front bezel colour
Black
HD type
4K Ultra HD
HDMI
Yes
HDMI cable length
1.5 m
HDMI ports quantity
1
HDMI version
2.0
Headphone connectivity
3.5 mm
Headphone out
Yes
Headphone outputs
1
Height (with stand)
460 mm
Height (without stand)
363.8 mm
Height adjustment
No
High Dynamic Range (HDR) supported
Yes
High Dynamic Range (HDR) technology
High Dynamic Range 10 (HDR10)
Horizontal scan range
30 - 140 kHz
Input current
1.5 A
Introduction month
June
Introduction year
2024
LED backlight
Yes
Low Blue Light technology
Yes
Market positioning
Home
Maximum refresh rate
60 Hz
Native aspect ratio
16:9
Non-operating altitude
0 - 12192 m
NTSC coverage (typical)
108.4%
Number of OSD languages
19
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
Operating altitude
0 - 5000 m
Operating relative humidity (H-H)
10 - 85%
Operating temperature (T-T)
0 - 40 °C
Package depth
142 mm
Package height
453 mm
Package weight
6.37 kg
Package width
690 mm
Panel mounting interface
100 x 100 mm
Panel type
VA
Pixel pitch
0.1554 x 0.1554 mm
Plug and Play
Yes
Power consumption (max)
45 W
Power consumption (off)
0.3 W
Power consumption (standby)
0.3 W
Power consumption (typical)
30 W
Power supply type
Internal
Product colour
Black
Response time
4 ms
Response time measurement type
GTG (Gray to Gray)
Screen shape
Flat
sRGB coverage (typical)
124.3%
Storage relative humidity (H-H)
5 - 93%
Storage temperature (T-T)
-25 - 55 °C
Surface hardness
3H
Tilt adjustment
Yes
Tilt angle range
-5 - 20°
Touchscreen
No
Vertical scan range
23 - 75 Hz
VESA Adaptive Sync support
Yes
VESA mounting
Yes
Viewable size, horizontal
59.8 cm
Viewable size, vertical
33.6 cm
Viewing angle, horizontal
178°
Viewing angle, vertical
178°
Warranty period
3 year(s)
Weight (with stand)
3.79 kg
Weight (without stand)
3.34 kg
Width (with stand)
614 mm
Width (without stand)
614 mm

Energy label

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Leaflet

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PDF

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Manual

Open Manual
Price history over the last 6 months
AOC B3 U27B3M computer monitor 68.6 cm (27 inch) 3840 x 2160 pixels 4K Ultra HD LCD Black
Current
R5,786
Lowest
R3,217
Highest
R6,249
Change 24H
+R2,530   +78%
Week
+R2,561   +79%
Month
+R2,555   +79%

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