# iiyama G-MASTER GB2591HSU-B1 Gaming Monitor 24.5-inch Full HD Fast IPS 320Hz 0.4ms Black

**URL:** https://aio.lv/en/product--iiyama-gb2591hsu-b1--11678747
**Data updated:** 2026-06-22 11:27 (EEST)
**Category:** Monitors
**Manufacturer:** IIYAMA
**Manufacturer code:** GB2591HSU-B1
**EAN:** 4948570125562
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 181.49 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 149.99 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--iiyama-gb2591hsu-b1--11678747

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 7.11 EUR |

## Summary description

The iiyama G-MASTER GB2591HSU-B1 is a 24.5-inch Full HD gaming monitor featuring a high-performance Fast IPS panel with a 320Hz refresh rate and 0.4ms response time. Designed for competitive gaming, it offers a 1920 x 1080 resolution, 350 cd/m² brightness, and a 1000:1 contrast ratio. Equipped with a built-in USB hub, integrated speakers, and ergonomic height adjustment, this flat LED display provides a smooth and immersive visual experience for demanding users.

## Long description

The iiyama G-MASTER GB2591HSU-B1 is a high-performance 24.5-inch gaming monitor engineered for competitive play. Featuring a cutting-edge Fast IPS panel, this display combines a rapid 320Hz refresh rate with an ultra-low 0.4ms response time to deliver fluid, blur-free visuals. The Full HD resolution ensures crisp image quality, while the flat LED screen provides consistent color accuracy and wide viewing angles, making it an ideal choice for gamers who demand precision and speed.
Advantages
The primary benefit of this monitor is its exceptional motion clarity, which is achieved through the integration of a high-speed panel that minimizes ghosting and motion blur during fast-paced action. The ergonomic design allows for significant height adjustment, ensuring that users can maintain a comfortable posture during long gaming sessions. Additionally, the inclusion of a built-in USB hub and integrated speakers adds convenience by reducing cable clutter and simplifying the connection of peripherals directly to the display.
Suitable for
Competitive first-person shooter games
Fast-paced racing and action titles
Professional esports training setups
General high-speed multimedia consumption
This monitor may not be the best choice for users primarily focused on professional-grade photo or video editing where 4K resolution or wider color gamuts are required. Additionally, its 24.5-inch size and Full HD resolution might feel restrictive for users who prefer larger screens for multitasking or cinematic viewing experiences.
Key specifications
Display diagonal: 24.5 inches
Resolution: 1920 x 1080 (Full HD)
Panel type: Fast IPS
Refresh rate: 320Hz
Response time: 0.4ms
Brightness: 350 cd/m²
Contrast ratio: 1000:1
Connectivity: Built-in USB hub, HDMI, DisplayPort
Ergonomics: Height-adjustable stand, VESA mount compatible
Integrated features: Built-in speakers
To use the iiyama G-MASTER GB2591HSU-B1, connect the monitor to your PC using a high-speed DisplayPort or HDMI cable capable of supporting the 320Hz refresh rate. Once connected, navigate to your operating system's display settings to ensure the refresh rate is set to the maximum available value. Use the on-screen display menu to adjust brightness, contrast, and color settings to suit your environment. The height-adjustable stand can be moved manually to align the screen with your eye level for optimal comfort.
What to consider before purchase
Ensure your graphics card supports the high refresh rate via the available ports
Verify that your desk space accommodates the 24.5-inch footprint
Check if your current setup requires specific VESA mounting hardware
Usage recommendations: For the best gaming experience, always use the included or high-quality DisplayPort cables to maintain the 320Hz refresh rate. Regularly clean the screen with a soft, dry microfiber cloth to maintain visual clarity and avoid using harsh chemical cleaners.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 24.5 " |
| Display technology | LED |
| HD type | Full HD |
| Panel type | Fast IPS |
| Display resolution | 1920 x 1080 |
| Pixel pitch | 0.28 x 0.28 |
| Response time | 0.4 ms |
| Contrast ratio (typical) | 1000:1 |
| Display brightness (typical) | 350 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Horizontal scan range | 30 - 360 |
| Display diagonal (metric) | 62 cm |
| Contrast ratio (dynamic) | 100000000:1 |
| Native aspect ratio | 16:9 |
| Display surface | Matt |
| Display number of colours | 16.7 million colours |
| Touchscreen | No |
| Colour depth | 8 bit |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
| Response time (MPRT) | 0.4 ms |

### Design

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

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| Headphone out | Yes |
| Built-in USB hub | Yes |
| USB hub version | 3.2 Gen 1 (3.1 Gen 1) |
| HDMI version | 2.1 |
| HDMI | Yes |
| DisplayPort version | 1.4 |
| Number of downstream ports | 4 |

### Ergonomics

| Feature | Value |
|---|---|
| Wall mountable | Yes |
| Swivel angle range | -45 - 45 |
| Cable management | Yes |
| Tilt adjustment | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |
| Adjustable height (max) | 150 mm |

### Audio

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

### Performance

| Feature | Value |
|---|---|
| HDCP | Yes |
| On Screen Display (OSD) | Yes |
| On Screen Display (OSD) languages | CZE, DEU, ENG, FRE, ITA, JPN, DUT, POL, POR, RUS |
| NVIDIA G-SYNC | Yes |
| AMD FreeSync | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| VESA Adaptive Sync support | Yes |
| NVIDIA G-SYNC type | G-SYNC |

### Multimedia

| Feature | Value |
|---|---|
| RMS rated power | 8 W |
| Built-in camera | No |
| Number of speakers | 2 |

### Technical details

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

### Other features

| Feature | Value |
|---|---|
| Maximum refresh rate | 320 Hz |
| Viewable size, vertical | 302.6 mm |
| Power cable length | 1.8 m |
| Power supply type | Internal |
| Viewable size, horizontal | 543.7 mm |
| Packaging content | quick start guide, safety guide |
| User controls | picture adjust (contrast, brightness, overdrive, HDR, Adaptive Sync, night mode, blue light reducer, Motion Blur Reducer, gamma), input select (input source), audio adjust (volume, mute), store user setting (user modes), color settings (6-axis, color temperature, user preset, black tuner), image adjust (i-Style color, 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), display information, reset (reset all) |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Tilt angle range | 5 - 23 |
| Control panel | power switch, joystick, menu (center), up / signal select, down / shortcut, left / volume -, right / volume + |
| Pivot | Yes |
| Package type | Box |
| Swivelling | Yes |
| Pivot angle | 0 - 90 |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 18.4 kWh |
| Energy consumption (HDR) per 1000 hours | 31 kWh |
| Power consumption (typical) | 30 W |
| Power consumption (off) | 0.3 W |
| Power consumption (standby) | 0.5 W |
| AC input frequency | 50/60 |
| AC input voltage | 100 - 240 |
| Energy efficiency scale | A to G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight (with stand) | 5300 g |
| Weight | 5.3 kg |
| Height | 324 mm |
| Width | 557 mm |
| Width (with stand) | 557 mm |
| Height (with stand) | 324 mm |
| Depth (with stand) | 55.5 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC, USB, DisplayPort |
| DisplayPort cable length | 1.8 m |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 8030 g |
| Package depth | 142 mm |
| Package height | 504 mm |
| Package width | 630 mm |
| USB cable length | 1.8 m |

## FAQ

### How much does the iiyama G-MASTER GB2591HSU-B1 Gaming Monitor 24.5-inch cost, and is it available for purchase?

The price is 181.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 67 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 20.07.2026 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 GB2591HSU-B1 Gaming Monitor 24.5-inch 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 (sdr), energy efficiency class (hdr), energy consumption (sdr) per 1000 hours, energy consumption (hdr) per 1000 hours, 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 GB2591HSU-B1 Gaming Monitor 24.5-inch?

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/11678747/68889250_large.webp