# Monitor AOC B3 U27B3M 27" 4K Ultra HD LCD 3840 x 2160

**URL:** https://aio.lv/en/product--aoc-u27b3m--10977600
**Data updated:** 2025-12-11 07:22 (EET)
**Category:** Monitors
**Manufacturer:** AOC
**Manufacturer code:** U27B3M
**EAN:** 4038986181525
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 171.49 €
**Prices and availability valid until:** 2026-07-09 23:59
**Price without VAT (21%):** 141.73 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--aoc-u27b3m--10977600

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 5.74 EUR |

## Summary description

The AOC B3 U27B3M is a 27-inch 4K Ultra HD LCD monitor with a resolution of 3840 x 2160 pixels. It features a fast response time of 4 ms and a native aspect ratio of 16:9, providing stunning visuals with wide viewing angles of 178° both horizontally and vertically. The monitor comes in sleek black and includes built-in speakers, making it a great choice for both work and entertainment. VESA mounting compatibility allows for easy installation.

## Long description

The AOC U27B3M is a 27-inch UHD monitor with a VA panel that delivers deep contrast and rich color reproduction. It supports HDR10 for improved dynamic range and AdaptiveSync for smoother motion at a 60 Hz refresh rate. Eye comfort features such as low blue light and flicker-free technology help reduce visual fatigue during extended use, while the standard stand provides stable placement for everyday workspace needs.
Advantages
The VA panel provides strong contrast and vivid colors suitable for multimedia and office work. HDR10 enhances detail in bright and dark areas, and AdaptiveSync reduces screen tearing and stutter. Low blue light and flicker-free technologies are included to support prolonged viewing sessions. The monitor’s 27-inch UHD resolution offers a large, sharp workspace for multitasking.
Key specifications
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
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.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 27 " |
| Display technology | LCD |
| HD type | 4K Ultra HD |
| Panel type | VA |
| Display resolution | 3840 x 2160 |
| Pixel pitch | 0.155 x 0.155 |
| Response time | 4 ms |
| Contrast ratio (typical) | 3500:1 |
| Display brightness (typical) | 300 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Horizontal scan range | 30 - 140 |
| Display diagonal (metric) | 68.5 cm |
| Contrast ratio (dynamic) | 20000000:1 |
| Native aspect ratio | 16:9 |
| Vertical scan range | 23 - 75 |
| Display number of colours | 1.073 billion colours |
| Backlight type | W-LED |
| Touchscreen | No |
| Anti-glare screen | Yes |
| Adobe RGB coverage | 106.5 % |
| LED backlight | Yes |
| NTSC coverage (typical) | 108.4 % |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Surface hardness | 3H |
| BT.2020 coverage | 72.1 % |

### Design

| Feature | Value |
|---|---|
| Screen shape | Flat |
| Product colour | Black |
| Panel mounting interface | 100 x 100 |
| Market positioning | Home |
| Front bezel colour | Black |
| Frameless design | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| AC (power) in | Yes |
| Headphone out | Yes |
| Built-in USB hub | No |
| HDMI version | 2.0 |
| HDMI | Yes |
| Built-in KVM switch | No |
| DisplayPort version | 1.4 |

### Ergonomics

| Feature | Value |
|---|---|
| Tilt adjustment | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |

### Audio

| Feature | Value |
|---|---|
| Built-in speaker(s) | Yes |

### Performance

| Feature | Value |
|---|---|
| DDC/CI | Yes |
| sRGB coverage (typical) | 124.3 % |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | DEU, DUT, ENG, ESP, ITA, SWE, JPN, POL, POR, TUR, CHI (SIMPL), FIN, KOR, UKR, CHI (TR), FRE, RUS, CRO, CZE |
| Number of OSD languages | 19 |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| VESA Adaptive Sync support | Yes |

### Multimedia

| Feature | Value |
|---|---|
| RMS rated power | 4 W |
| Number of speakers | 2 |

### Other features

| Feature | Value |
|---|---|
| Headphone outputs | 1 |
| Maximum refresh rate | 60 Hz |
| Viewable size, vertical | 335.664 mm |
| Input current | 1.5 |
| Headphone connectivity | 3.5 mm |
| Power supply type | Internal |
| Viewable size, horizontal | 596.736 mm |
| Plug and Play | Yes |
| Cable lock slot | Yes |
| Height adjustment | No |
| Tilt angle range | -5 - 20 |
| Weight (without stand) | 3340 g |
| Height (without stand) | 363.8 mm |
| Depth (without stand) | 45.5 mm |
| Introduction year | 2024 |
| Introduction month | June |
| Warranty period | 3 year(s) |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 26 kWh |
| Energy consumption (HDR) per 1000 hours | 38 kWh |
| Power consumption (typical) | 28 W |
| Power consumption (off) | 0.3 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (max) | 45 W |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |
| Energy efficiency scale | A to G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight (with stand) | 3790 g |
| Width (with stand) | 614 mm |
| Height (with stand) | 460 mm |
| Depth (with stand) | 229.8 mm |
| Width (without stand) | 614 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating altitude | 0 - 5000 |
| Operating relative humidity (H-H) | 10 - 85 |
| Storage temperature (T-T) | -25 - 55 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 5 - 93 |
| Non-operating altitude | 0 - 12192 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC, HDMI |
| HDMI cable length | 1.5 m |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 6370 g |
| Package depth | 142 mm |
| Package height | 453 mm |
| Package width | 690 mm |

## FAQ

### How much does the Monitor AOC B3 U27B3M cost, and is it available for purchase?

The price is 171.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 25.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Monitor AOC B3 U27B3M be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All AOC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized AOC service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: display diagonal, display resolution, hd type, panel type, display technology, pixel pitch, response time, contrast ratio (typical), display brightness (typical), screen shape, built-in usb hub, vesa mounting, built-in speaker(s), energy efficiency class (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, energy consumption (hdr) per 1000 hours, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Monitor AOC B3 U27B3M?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10977600/65398955_large.webp