AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black
Brand AOC
From
£129.00
+ £4.95 delivery
You save £68.04 (34%)
3 offers at 3 retailers
Listed since 7 April 2026
Compare prices
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Description
Specifications
| Display diagonal | 68.6 cm (27") |
| Display resolution | 3840 x 2160 pixels |
| HD type | 4K Ultra HD |
| Native aspect ratio | 16:9 |
| Display technology | LCD |
| Panel type | IPS |
| LED backlight | Yes |
| Backlight type | W-LED |
| Touchscreen | No |
| Display brightness (typical) | 350 cd/m² |
| Response time | 4 ms |
| Response time measurement type | GTG (Gray to Gray) |
| Anti-glare screen | Yes |
| Screen shape | Flat |
| Contrast ratio (typical) | 1000:1 |
| Contrast ratio (dynamic) | 20000000:1 |
| Maximum refresh rate | 60 Hz |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Display number of colours | 1.073 billion colours |
| Pixel density | 163.18 ppi |
| Viewable size, horizontal | 59.8 cm |
| Viewable size, vertical | 33.6 cm |
| Digital horizontal frequency | 30 - 140 kHz |
| Digital vertical frequency | 40 - 60 Hz |
| 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 |
| sRGB coverage (typical) | 125% |
| NTSC coverage (typical) | 109% |
| Adobe RGB coverage | 107.2% |
| BT.2020 coverage | 72.6% |
| DCI-P3 coverage | 99.6% |
| VESA Adaptive Sync support | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| Number of speakers | 2 |
| RMS rated power | 4 W |
| Built-in speaker(s) | Yes |
| Market positioning | Home |
| Product colour | Black |
| Frameless design | Yes |
| Front bezel colour | Black |
| Detachable stand | Yes |
| Built-in USB hub | No |
| HDMI | Yes |
| HDMI ports quantity | 2 |
| HDMI version | 2.0 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| Headphone out | Yes |
| Headphone outputs | 1 |
| Headphone connectivity | 3.5 mm |
| Built-in KVM switch | No |
| AC (power) in | Yes |
| VESA mounting | Yes |
| Panel mounting interface | 100 x 100 mm |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Height adjustment | No |
| 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 |
| Number of OSD languages | 19 |
| 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 |
| Input current | 1.5 A |
| Power supply type | Internal |
| Energy efficiency scale | A to G |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage temperature (T-T) | -25 - 55 °C |
| Operating relative humidity (H-H) | 10 - 85% |
| Storage relative humidity (H-H) | 5 - 93% |
| Operating altitude | 0 - 5000 m |
| Non-operating altitude | 0 - 12192 m |
| Width (with stand) | 614 mm |
| Depth (with stand) | 229.8 mm |
| Height (with stand) | 460 mm |
| Weight (with stand) | 4.04 kg |
| Width (without stand) | 614 mm |
| Depth (without stand) | 45.7 mm |
| Height (without stand) | 363.8 mm |
| Weight (without stand) | 3.59 kg |
| Package width | 690 mm |
| Package depth | 142 mm |
| Package height | 453 mm |
| Package weight | 6.62 kg |
| Cables included | AC, HDMI |
| HDMI cable length | 1.5 m |
| Doesn't contain | Mercury, PVC/BFR |
| Introduction year | 2024 |
| Introduction month | June |
| Local dimming | Yes |
| Bezel thickness type | Frameless |
| Warranty period | 3 year(s) |
| Compliance certificates | CE |
| Mean time between failures (MTBF) | 50000 h |
| Certification | WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC |
Full specifications
| Marque | AOC |
| Référence fabricant | u27b3a |
| EAN | 4038986181495 |
The AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black in its market context in 2026
With the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black, AOC offers a solution suited to everyday needs in 2026. Available from 3 retailers on Compiral, this product benefits from real-time price comparison. Each offer is verified and updated several times a day to ensure you have the freshest information. Our platform calculates the total price including delivery costs, so you can identify the true best offer among all listed retailers.
AOC: what this model offers
What buyers remember about the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black: consistent quality, intuitive use and a price that stays within market norms for this level of performance. The positioning of AOC on the Informatique segment ensures access to spare parts and a structured after-sales service, which matters greatly in the long run. A solid choice in 2026, whether for a new purchase or to replace a failing device. Also discover the AOC B2 22B2H/EU computer monitor 54.6 cm (21.5") 1920 x 1080 pixels Full HD LED Black from the same brand for a second level of comparison.
The strengths that really make a difference
What truly differentiates the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black from other products in the Informatique category comes down to a few concrete points: the build quality typical of AOC, its availability from many retailers and accessible after-sales support. These criteria, often decisive for buyers, favour this model over alternatives on the market in 2026. Compare with the AOC G2 31.5" FHD 240Hz Gaming Monitor (C32G2ZE/BK) if you wish to explore other models from the brand.
What you need to know before buying
Before buying the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black, check the following points: stock availability at your chosen retailer, the returns policy, warranty period and delivery charges. These details are accessible from our offers table at the top of this page. AOC generally offers a well-structured after-sales network for the Informatique category.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 384300 £ |
| Mid-range | 384300 £ to 896710 £ |
| High-end | Over 896710 £ |
Comparing prices before buying the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black can save you between £10 and £40 depending on the retailer and the time of year. Use Compiral to never overpay for your online purchases. The 3 offers listed on this page all come from verified retailers with sales conditions compliant with consumer protection law.
Frequently asked questions about AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black
Is there a refurbished version of the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black?
Refurbished versions of the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.
When do prices for the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black drop during the year?
Prices for the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Informatique category.
Is delivery free for the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black at all retailers?
Free delivery is not guaranteed for the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.
How do I return the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black if I am not satisfied?
You have a 14-day right of withdrawal for any online purchase, applicable to the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.
Is the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black worth its price in 2026?
In 2026, the AOC B3 U27B3A computer monitor 68.6 cm (27") 3840 x 2160 pixels 4K Ultra HD LCD Black is listed from £133.95 at our partner retailers. This price is consistent with the positioning of AOC in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
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