AOC B3 U27B3M computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black

Manufacturer: AOC | Model: U27B3M | Product ID: 9545 | Warranty: 3 years
£208.51 (inc. VAT)
15 in stock
100% Money Back Guarantee - Risk Free

Product Technical Specification

Display
Display diagonal27
Display resolution3840 x 2160
HD type4K Ultra HD
Native aspect ratio16:9
Display technologyLCD
Panel typeVA
LED backlightYes
Backlight typeW-LED
TouchscreenNo
Display brightness (typical)300
Response time4
Anti-glare screenYes
Screen shapeFlat screen
Contrast ratio (typical)3500:1
Contrast ratio (dynamic)20000000:1
Maximum refresh rate60
Viewing angle, horizontal178
Viewing angle, vertical178
Display number of colours1.073 billion colours
Pixel pitch0.1554 x 0.1554
Horizontal scan range30 - 140
Vertical scan range23 - 75
Viewable size, horizontal596.736
Viewable size, vertical335.664
Display diagonal (metric)68.5
High Dynamic Range (HDR) supportedYes
High Dynamic Range (HDR) technologyHigh Dynamic Range 10 (HDR10)
DDC/CIYes
Surface hardness3H
sRGB coverage (typical)124.3
NTSC coverage (typical)108.4
Adobe RGB coverage106.5
BT.2020 coverage72.1
Performance
VESA Adaptive Sync supportYes
Flicker-free technologyYes
Low Blue Light technologyYes
Multimedia
Built-in speaker(s)Yes
Number of speakers2
RMS rated power4
Design
Market positioningHome
Product colourBlack
Frameless designYes
Front bezel colourBlack
Introduction year2024
Introduction monthJune
Ports & interfaces
Built-in USB hubNo
HDMIYes
HDMI ports quantity2
HDMI version2.0
DisplayPorts quantity1
DisplayPort version1.4
Headphone outYes
Headphone outputs1
Headphone connectivity3.5 mm
Built-in KVM switchNo
AC (power) inYes
Ergonomics
VESA mountingYes
Panel mounting interface100 x 100
Cable lock slotYes
Cable lock slot typeKensington
Height adjustmentNo
Tilt adjustmentYes
Tilt angle range-5 - 20
On Screen Display (OSD)Yes
On Screen Display (OSD) languagesDEU,DUT,ENG,ESP,ITA,SWE,JPN,POL,POR,TUR,CHI (SIMPL),FIN,KOR,UKR,CHI (TR),FRE,RUS,CRO,CZE
Number of OSD languages19
Plug and PlayYes
Power
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours26
Energy consumption (HDR) per 1000 hours38
Power consumption (typical)28
Power consumption (standby)0.5
Power consumption (max)45
Power consumption (off)0.3
AC input voltage100 - 240
AC input frequency50/60
Input current1.5
Power supply typeInternal
Energy efficiency scaleA to G
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-25 - 55
Operating relative humidity (H-H)10 - 85
Storage relative humidity (H-H)5 - 93
Operating altitude0 - 5000
Non-operating altitude0 - 12192
Packaging content
Cables includedAC,HDMI
HDMI cable length1.5
Weight & dimensions
Width (with stand)614
Depth (with stand)229.8
Height (with stand)460
Weight (with stand)3790
Width (without stand)614
Depth (without stand)45.5
Height (without stand)363.8
Weight (without stand)3340
Packaging data
Package width690
Package depth142
Package height453
Package weight6370
Technical details
Warranty period3

Delivery Options

Economy Delivery
FREE
Economy Delivery

Economy Delivery (UK)

Estimated delivery date: Sun 07th Dec 2025 to Wed 10th Dec 2025
Business Express
£6.95
Business Express

Business Express

Estimated delivery date: Sat 06th Dec 2025 to Mon 08th Dec 2025
View all Delivery Options & International Rates
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.
Display
Display diagonal27
Display resolution3840 x 2160
HD type4K Ultra HD
Native aspect ratio16:9
Display technologyLCD
Panel typeVA
LED backlightYes
Backlight typeW-LED
TouchscreenNo
Display brightness (typical)300
Response time4
Anti-glare screenYes
Screen shapeFlat screen
Contrast ratio (typical)3500:1
Contrast ratio (dynamic)20000000:1
Maximum refresh rate60
Viewing angle, horizontal178
Viewing angle, vertical178
Display number of colours1.073 billion colours
Pixel pitch0.1554 x 0.1554
Horizontal scan range30 - 140
Vertical scan range23 - 75
Viewable size, horizontal596.736
Viewable size, vertical335.664
Display diagonal (metric)68.5
High Dynamic Range (HDR) supportedYes
High Dynamic Range (HDR) technologyHigh Dynamic Range 10 (HDR10)
DDC/CIYes
Surface hardness3H
sRGB coverage (typical)124.3
NTSC coverage (typical)108.4
Adobe RGB coverage106.5
BT.2020 coverage72.1
Performance
VESA Adaptive Sync supportYes
Flicker-free technologyYes
Low Blue Light technologyYes
Multimedia
Built-in speaker(s)Yes
Number of speakers2
RMS rated power4
Design
Market positioningHome
Product colourBlack
Frameless designYes
Front bezel colourBlack
Introduction year2024
Introduction monthJune
Ports & interfaces
Built-in USB hubNo
HDMIYes
HDMI ports quantity2
HDMI version2.0
DisplayPorts quantity1
DisplayPort version1.4
Headphone outYes
Headphone outputs1
Headphone connectivity3.5 mm
Built-in KVM switchNo
AC (power) inYes
Ergonomics
VESA mountingYes
Panel mounting interface100 x 100
Cable lock slotYes
Cable lock slot typeKensington
Height adjustmentNo
Tilt adjustmentYes
Tilt angle range-5 - 20
On Screen Display (OSD)Yes
On Screen Display (OSD) languagesDEU,DUT,ENG,ESP,ITA,SWE,JPN,POL,POR,TUR,CHI (SIMPL),FIN,KOR,UKR,CHI (TR),FRE,RUS,CRO,CZE
Number of OSD languages19
Plug and PlayYes
Power
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours26
Energy consumption (HDR) per 1000 hours38
Power consumption (typical)28
Power consumption (standby)0.5
Power consumption (max)45
Power consumption (off)0.3
AC input voltage100 - 240
AC input frequency50/60
Input current1.5
Power supply typeInternal
Energy efficiency scaleA to G
Operational conditions
Operating temperature (T-T)0 - 40
Storage temperature (T-T)-25 - 55
Operating relative humidity (H-H)10 - 85
Storage relative humidity (H-H)5 - 93
Operating altitude0 - 5000
Non-operating altitude0 - 12192
Packaging content
Cables includedAC,HDMI
HDMI cable length1.5
Weight & dimensions
Width (with stand)614
Depth (with stand)229.8
Height (with stand)460
Weight (with stand)3790
Width (without stand)614
Depth (without stand)45.5
Height (without stand)363.8
Weight (without stand)3340
Packaging data
Package width690
Package depth142
Package height453
Package weight6370
Technical details
Warranty period3

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Buykingston order despatch times:

We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.

These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).

We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.

Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.

Despatch times do not apply to UK public holidays.

Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.

Our warehouse reserves the right to upgrade the delivery method you select on your order.

Our available delivery options*

Contact us for a shipping quote.

*All delivery times are estimated unless stated.

Product Returns Note

Buykingston offers a very flexible and hassle free returns policy. If for whatever reason you are not happy with the item purchased you can return it to us within 12months for a refund (for unused and unopened items) or within 30 days on opened and used items for a refund. This applies to items purchased direct through Buykingston  only.

Our 30 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items opened and used and that are returned in a resellable condition.

Our 365 Day Returns Money Back Guarantee Satisfaction Guarantee:
For items that remain sealed and unused.

Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;

- Headphones
- Earphones
- Custom made and designed products such as flash memory products with custom logo’s on them. E,g USB flash drives and memory cards with your own logo

Returns FAQs

What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on non tracked items.
On unopened items 365 days.

How do i go about returning my order?
Please contact us via our contact page with your order number where we will present you with an RMA number and returns label.

Do i need to contact you before returning my order?
Yes, to obtain an RMA number.

Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365 day returns. Of course for faulty items we realise you may no longer have the packaging.

Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer direct for assistance.

Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.