# 27" IIYAMA G-MASTER GCB2784HSU-B1 curved VA gaming monitor 240Hz FHD 1920x1080 USB hub speakers VESA

**URL:** https://aio.lv/en/product--iiyama-gcb2784hsu-b1--12393028
**Data updated:** 2026-04-27 10:26 (EEST)
**Category:** Monitors
**Manufacturer:** IIYAMA
**Manufacturer code:** GCB2784HSU-B1
**EAN:** 4948570127566
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 158.99 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 131.40 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--iiyama-gcb2784hsu-b1--12393028

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 5.20 EUR |

## Summary description

IIYAMA G-MASTER GCB2784HSU-B1 is a 27" curved VA gaming monitor with a 1920×1080 (FHD) resolution and ultra-fast 240 Hz refresh rate for smooth motion. It features 350 cd/m² brightness, 4000:1 contrast, 178° viewing angles, built-in speakers, a USB 2.0 hub and VESA mount with height adjustment. Suited for fast-paced gaming, esports and multimedia.

## Long description

The IIYAMA G-MASTER GCB2784HSU-B1 is a 27" curved VA gaming monitor with Full HD (1920×1080) resolution designed for fast-paced gaming. Its 1500R curvature and VA panel deliver deeper immersion and strong static contrast, while a 240 Hz refresh rate combined with a 0.7 ms MPRT response time and Adaptive Sync support reduces motion blur and tearing for clearer, high-frame-rate performance. The monitor includes built-in speakers, a USB 2.0 hub and VESA mounting with height adjustment for flexible desktop setups.
Advantages
High refresh rate and very low motion-persistence response provide smooth motion clarity for competitive and fast-action titles. The curved VA panel offers improved perceived depth and a high typical contrast ratio for deeper blacks. Practical connectivity and ergonomics — including an integrated USB hub, speakers and VESA compatibility with height adjustment — make the monitor convenient for gaming and multimedia use.
Suitable for
Fast-paced FPS and esports titles where motion clarity and quick reactions matter
Competitive multiplayer gaming and high-frame-rate single-player games
General multimedia and streaming with built-in speakers and flexible mounting
When it may not be suitable
This monitor uses a 27" Full HD (1920×1080) resolution on a curved VA panel; users who require higher pixel density for detailed photo or video editing, or those who prefer 1440p/4K resolution for productivity, may find the FHD pixel density insufficient. Additionally, the panel prioritizes contrast and motion clarity over the absolute fastest pixel response characteristics of some IPS gaming panels.
Key specifications
Display diagonal: 27" (68.6 cm)
Resolution: 1920 × 1080 (Full HD), 16:9
Panel type: VA with 1500R curvature
Refresh rate: 240 Hz
Response time: 0.7 ms MPRT
Brightness (typical): 350 cd/m²
Contrast ratio (typical): 4000:1
Viewing angles: 178°
Built-in features: speakers and USB 2.0 hub
Ergonomics: VESA mounting and height adjustment
Color: Black; Weight: 4 kg
Energy class (SDR): E
How to use
Connect the monitor to your PC or console using a compatible high-refresh-rate-capable video cable and enable the 240 Hz refresh rate in your system or graphics driver settings. Turn on Adaptive Sync (FreeSync) in both the monitor OSD and the GPU driver when supported to reduce screen tearing. Use the built-in USB hub for peripherals and the integrated speakers for basic audio; for more advanced audio, connect external speakers or headphones. Adjust height via the stand or mount the monitor using the VESA interface to achieve an ergonomic viewing position.
What to consider before purchase
Full HD (1920×1080) on 27" offers standard pixel density—consider if higher resolution is needed for your tasks
Ensure your GPU and cables support 240 Hz at FHD to take full advantage of the refresh rate
Check whether built-in speakers meet your audio needs or external audio is preferred
Confirm you have space for a 1500R curved screen and compatibility with VESA mounting if you plan to use an arm
Usage recommendations
For the best experience in competitive gaming, pair this 240 Hz curved VA monitor with a PC or console capable of consistently high frame rates. Enable Adaptive Sync and set the refresh rate in your graphics settings, and use a high-quality video cable to ensure stable 240 Hz output.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 27 " |
| Panel type | VA |
| Display resolution | 1920 x 1080 |
| Pixel pitch | 0.311 x 0.311 |
| Contrast ratio (typical) | 4000:1 |
| Display brightness (typical) | 350 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Horizontal scan range | 30 - 300 |
| Display diagonal (metric) | 68 cm |
| Native aspect ratio | 16:9 |
| Display number of colours | 16.7 million colours |
| Colour depth | 8 bit |
| NTSC coverage (typical) | 72 % |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Screen curvature rating | 1500R |
| Response time (MPRT) | 0.7 ms |

### Design

| Feature | Value |
|---|---|
| Screen shape | Curved |
| Product colour | Black |
| Panel mounting interface | 100 x 100 |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| Built-in USB hub | Yes |
| USB hub version | 2.0 |
| Number of downstream ports | 2 |

### Ergonomics

| Feature | Value |
|---|---|
| Swivel angle range | -45 - 45 |
| Cable management | Yes |
| Tilt adjustment | Yes |
| VESA mounting | Yes |
| Adjustable height (max) | 150 mm |

### Audio

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

### Performance

| Feature | Value |
|---|---|
| sRGB coverage (typical) | 99 % |
| On Screen Display (OSD) languages | CZE, DEU, ENG, ESP, FRE, ITA, DUT, JPN, POR, RUS, POL |
| AMD FreeSync | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| AMD FreeSync type | FreeSync Premium |

### Multimedia

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

### Technical details

| Feature | Value |
|---|---|
| Sustainability certificates | ErP |
| Compliance certificates | PSE, WEEE, VCCI, UKCA, TÜV mark, RoHS, REACH, EAC, CE, CB |

### Other features

| Feature | Value |
|---|---|
| Maximum refresh rate | 240 Hz |
| Viewable size, vertical | 336.3 mm |
| Power cable length | 1.85 m |
| Power supply type | Internal |
| Viewable size, horizontal | 597.9 mm |
| Packaging content | quick start guide, safety guide |
| User controls | picture adjust (contrast, brightness, OD, HDR, FreeSync Premium, ACR, Night Mode, Blue Light Reducer, Motion Blur Reduction, Gamma), input select, audio settings (volume, mute), store user settings (user modes), colour settings (6-axis, colour temperature, user preset, black tuner), image adjust (i-Style Colour, x-res technology, sharpness, HDMI range, direct drive mode, video mode adjust), language, setup menu (OSD horizontal position, OSD vertical position, OSD time, opening logo, power LED, DDC/CI control, USB charge, PIP/PBP), display information, reset |
| Height adjustment | Yes |
| Control panel | Power Indicator, Joystick: Power / Menu (Center), Up / Signal Select, Down, Left / i-Style Colour / Night Mode / Blue Light Reducer, Right / Volume |
| Pivot | Yes |
| Swivelling | Yes |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | E |
| Power consumption (typical) | 21 W |
| Power consumption (off) | 0.3 W |
| Power consumption (standby) | 21 W |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight (with stand) | 4000 g |
| Weight | 4 kg |
| Width (with stand) | 610.5 mm |
| Height (with stand) | 466.5 mm |
| Depth (with stand) | 192.5 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | HDMI, USB, AC |
| HDMI cable length | 1.85 m |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 6540 g |
| Package depth | 700 mm |
| Package height | 1761 mm |
| Package width | 1150 mm |
| USB cable length | 1.5 m |

## FAQ

### How much does the IIYAMA G-MASTER GCB2784HSU-B1 27" 240Hz gaming monitor cost, and is it available for purchase?

The price is 158.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 130 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 15.07.2026 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 IIYAMA G-MASTER GCB2784HSU-B1 27" 240Hz gaming monitor 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 IIYAMA 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 IIYAMA 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, panel type, pixel pitch, contrast ratio (typical), display brightness (typical), screen shape, built-in usb hub, vesa mounting, built-in speaker(s), energy efficiency class (sdr), weight, 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 IIYAMA G-MASTER GCB2784HSU-B1 27" 240Hz gaming monitor?

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/12393028/68550422_large.webp