# Monitor iiyama G-MASTER G4380UHSU 43" 4K Ultra HD LED

**URL:** https://aio.lv/en/product--iiyama-g4380uhsu-b2--11578405
**Data updated:** 2025-12-31 08:47 (EET)
**Category:** Monitors
**Manufacturer:** IIYAMA
**Manufacturer code:** G4380UHSU-B2
**EAN:** 4948570125630
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 717.49 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 592.97 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--iiyama-g4380uhsu-b2--11578405

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Courier delivery to door | 17.07.2026 | 53.99 EUR |

## Summary description

The iiyama G-MASTER G4380UHSU is a 43" monitor featuring 4K Ultra HD resolution and LED technology. With a response time of just 0.4 ms and a native aspect ratio of 16:9, it offers stunning visuals and smooth gameplay. The monitor has a matte display surface, wide viewing angles of 178°, and built-in speakers. It also includes a USB hub for easy connectivity and VESA mounting for versatile installation.

## Long description

The iiyama G-MASTER G4380UHSU is a 43" (42.5") 4K Ultra HD LED monitor with a VA panel designed for gaming and multimedia. It delivers 3840×2160 resolution on a flat screen with a matte surface, wide 178° viewing angles, built-in speakers and a USB hub. The monitor supports VESA mounting and offers a high typical brightness of 550 cd/m² and a typical contrast ratio of 4000:1 for deep blacks and clear visuals.
Advantages
This monitor combines a large 43" screen with UHD detail and a fast 144 Hz refresh rate plus 0.3–0.4 ms response characteristics for smooth, responsive gameplay and reduced motion blur. The VA panel provides strong contrast and deep blacks while the Black Tuner feature improves visibility in dark scenes. AMD FreeSync and flicker-free technology reduce tearing and eye strain during extended sessions. Integrated speakers and a USB hub add convenience for multimedia use and connectivity.
Suitable for
Competitive and fast-paced gaming where high refresh rate and low response time matter
Single-player and open-world games that benefit from large 4K visuals
Multimedia consumption, streaming and console gaming
Work that requires a large screen with good contrast (editing, multitasking)
Key specifications
Display diagonal: 42.5" (108 cm)
Resolution: 3840 × 2160 (4K Ultra HD), aspect ratio 16:9
Panel type: VA; Display technology: LED; Screen shape: Flat
Refresh rate: 144 Hz; Response time: 0.3–0.4 ms (MPRT / grey-to-grey)
Brightness (typical): 550 cd/m²; Contrast ratio (typical): 4000:1
Adaptive sync: AMD FreeSync; Flicker-free technology
Built-in: USB hub, speakers; VESA mounting supported
Energy (SDR) per 1000 h: 48 kWh; Energy (HDR) per 1000 h: 85 kWh; Energy class (SDR): F
Colour: Black; Manufacturer code (MPN): G4380UHSU-B2; EAN: 4948570125630
How to use
Place the monitor on a stable desk or mount it using a compatible VESA bracket. Connect the monitor to your PC, console or media device using the appropriate video cable (DisplayPort or HDMI — check device compatibility). Use the on-screen display (OSD) menu to configure resolution to 3840×2160 and set refresh rate to 144 Hz if supported by the source device. Adjust brightness, contrast and Black Tuner in the OSD to suit ambient lighting. Connect peripherals to the built-in USB hub and use the integrated speakers or external audio output as needed.
Usage recommendations
For best gaming performance, ensure your graphics card and cable support 4K at 144 Hz; enable AMD FreeSync in your GPU settings if available. Reduce eye strain by using flicker-free mode and adjusting brightness to match room lighting. For HDR content, verify HDR support on your source device and enable HDR mode in the monitor OSD.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 42.5 " |
| Display technology | LED |
| HD type | 4K Ultra HD |
| Panel type | VA |
| Display resolution | 3840 x 2160 |
| Pixel pitch | 0.245 x 0.245 |
| Response time | 0.4 ms |
| Contrast ratio (typical) | 4000:1 |
| Display brightness (typical) | 550 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Horizontal scan range | 30 - 135 |
| Display diagonal (metric) | 108 cm |
| Contrast ratio (dynamic) | 80000000:1 |
| Native aspect ratio | 16:9 |
| Display surface | Matt |
| Display number of colours | 1.07 billion colours |
| Touchscreen | No |
| Colour depth | 10 bit |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range (HDR) 400 |
| Haze rate | 2 % |

### Design

| Feature | Value |
|---|---|
| Screen shape | Flat |
| Product colour | Black |
| Panel mounting interface | 200 x 100 |
| Market positioning | Gaming |
| Feet colour | Black |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 2 |
| Headphone out | Yes |
| Built-in USB hub | Yes |
| USB hub version | 2.0 / 3.2 Gen 1 (3.1 Gen 1) |
| USB upstream port type | USB Type-B |
| Number of upstream ports | 1 |
| USB Type-A downstream ports quantity | 4 |
| HDMI version | 2.0 |
| HDMI | Yes |
| 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 |
|---|---|
| HDCP | Yes |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | Multi |
| Number of OSD languages | 11 |
| NVIDIA G-SYNC | No |
| AMD FreeSync | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| AMD FreeSync refresh rate range | 48 - 120 |

### Multimedia

| Feature | Value |
|---|---|
| RMS rated power | 14 W |
| Built-in camera | No |
| Number of speakers | 2 |

### Technical details

| Feature | Value |
|---|---|
| Energy efficiency class | F |

### Other features

| Feature | Value |
|---|---|
| Headphone outputs | 1 |
| Maximum refresh rate | 144 Hz |
| Viewable size, vertical | 529.4 mm |
| Headphone connectivity | 3.5 mm |
| Viewable size, horizontal | 941.2 mm |
| Cable lock slot | Yes |
| Height adjustment | No |
| Tilt angle range | -2 - 10 |
| Quick start guide | Yes |
| Weight (without stand) | 13000 g |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 48 kWh |
| Energy consumption (HDR) per 1000 hours | 85 kWh |
| Power consumption (typical) | 89 W |
| AC input voltage | 100 - 240 |
| Energy efficiency scale | A to G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight (with stand) | 148000 g |
| Width (with stand) | 977.5 mm |
| Height (with stand) | 621.5 mm |
| Depth (with stand) | 251 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 80 |
| Storage temperature (T-T) | -20 - 60 |
| Operating temperature (T-T) | 5 - 35 |
| Storage relative humidity (H-H) | 5 - 85 |

### Packaging content

| Feature | Value |
|---|---|
| Remote control included | Yes |
| Cables included | AC, DisplayPort, HDMI, USB |
| Stand included | Yes |
| Remote control batteries included | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 20000 g |
| Package depth | 240 mm |
| Package height | 760 mm |
| Package width | 1071 mm |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 85285210 |

## FAQ

### How much does the Monitor iiyama G-MASTER G4380UHSU cost, and is it available for purchase?

The price is 717.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 102 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 14.07.2026 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, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can Monitor iiyama G-MASTER G4380UHSU 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, 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, 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 iiyama G-MASTER G4380UHSU?

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/11578405/66645388_large.webp