# LG 27GX790B-B 27-inch Quad HD OLED Gaming Monitor, 2560 x 1440, 0.03 ms Response Time, Black

**URL:** https://aio.lv/en/product--lg-27gx790b-baeu--12422181
**Data updated:** 2026-05-10 01:16 (EEST)
**Category:** Monitors
**Manufacturer:** LG
**Manufacturer code:** 27GX790B-B.AEU
**EAN:** 8806096678008
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 935.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 773.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--lg-27gx790b-baeu--12422181

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The LG 27GX790B-B is a 27-inch Quad HD OLED gaming monitor featuring a 2560 x 1440 resolution and a rapid 0.03 ms response time. Designed for high-performance gaming, it offers a 1500000:1 contrast ratio and 178-degree viewing angles. The flat display includes an integrated USB hub, VESA mounting support, and height adjustment for ergonomic comfort. This black monitor delivers vivid visuals and precise motion clarity for professional and enthusiast setups.

## Long description

The LG 27GX790B-B is a 27-inch Quad HD OLED gaming monitor designed to provide high-performance visuals for professional and enthusiast setups. Featuring a 2560 x 1440 resolution and a rapid 0.03 ms response time, this monitor ensures precise motion clarity and vivid image quality. The flat WOLED panel offers wide 178-degree viewing angles and a high contrast ratio, making it a versatile choice for demanding visual tasks.
Advantages
This monitor excels in delivering exceptional image quality thanks to its OLED technology, which provides deep blacks and vibrant colors. The ultra-fast response time and high refresh rate minimize motion blur, ensuring a smooth experience during fast-paced activities. Its ergonomic design, including height adjustment and VESA mounting support, allows for comfortable long-term use, while the integrated USB hub enhances connectivity for various peripherals.
Suitable for
Competitive gaming and esports
High-end multimedia consumption
Professional graphic design and content creation
Detailed photo and video editing
When it may not be suitable
This monitor may not be the ideal choice for users who require built-in audio, as it does not feature integrated speakers. Additionally, those working primarily in extremely bright environments may find the glossy display surface prone to reflections compared to matte alternatives.
Key specifications
Display diagonal: 27 inches
Resolution: 2560 x 1440 pixels (Quad HD)
Panel technology: WOLED
Response time: 0.03 ms (GTG)
Refresh rate: 540 Hz
Connectivity: HDMI 2.1a, DisplayPort 2.1, USB hub
Ergonomics: Height adjustment (11 cm), VESA mountable
Energy efficiency class: F (SDR)
How to use
To set up the monitor, attach the stand to the display panel or mount it using a VESA-compatible arm. Connect your computer or console using the appropriate HDMI or DisplayPort cable. Once powered on, you can adjust the height to your preferred ergonomic position. Use the on-screen display menu to configure settings such as brightness, contrast, and input source to suit your specific environment and usage requirements.
What to consider before purchase
Ensure your graphics card supports the high refresh rate and resolution via the available ports.
Verify that your desk space accommodates the 27-inch screen size and the stand footprint.
Consider the need for external speakers or a headset, as this model lacks internal audio output.
Usage recommendations: To maintain the longevity of the OLED panel, avoid displaying static images for extended periods and utilize the built-in screen protection features provided in the monitor settings.

## Specifications

### Display

| Feature | Value |
|---|---|
| Display diagonal | 27 " |
| Display technology | OLED |
| HD type | Quad HD |
| Panel type | WOLED |
| Display resolution | 2560 x 1440 |
| Pixel pitch | 0.229 x 0.229 |
| Response time | 0.03 ms |
| Contrast ratio (typical) | 1500000:1 |
| Display brightness (typical) | 335 cd/m² |
| Viewing angle, vertical | 178 ° |
| Viewing angle, horizontal | 178 ° |
| Native aspect ratio | 16:9 |
| Display surface | Gloss |
| Display number of colours | 1.07 billion colours |
| Touchscreen | No |
| Anti-glare screen | Yes |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | DisplayHDR 400 True Black, High Dynamic Range 10 (HDR10) |
| Response time measurement type | GTG (Gray to Gray) |

### Design

| Feature | Value |
|---|---|
| Screen shape | Flat |
| Product colour | Black |
| Panel mounting interface | 100 x 100 |
| Market positioning | Gaming |
| Detachable stand | Yes |
| Feet colour | Black |
| Front bezel colour | Black |
| Refurbished | No |
| Frameless design | Yes |

### Ports & interfaces

| Feature | Value |
|---|---|
| HDMI ports quantity | 2 |
| DisplayPorts quantity | 1 |
| 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 | 2 |
| HDMI version | 2.1a |
| HDMI | Yes |
| DisplayPort version | 2.1 |
| Number of USB Type-B upstream ports quantity | 1 |
| DisplayPort out quantity | 1 |

### Ergonomics

| Feature | Value |
|---|---|
| Wall mountable | Yes |
| Swivel angle range | -30 - 30 |
| Cable management | Yes |
| Tilt adjustment | Yes |
| Cable lock slot type | Kensington |
| VESA mounting | Yes |
| Adjustable height (max) | 110 mm |

### Audio

| Feature | Value |
|---|---|
| Built-in speaker(s) | No |

### Performance

| Feature | Value |
|---|---|
| Game mode | Yes |
| On Screen Display (OSD) | Yes |
| Picture-in-Picture | Yes |
| NVIDIA G-SYNC | Yes |
| AMD FreeSync | Yes |
| Flicker-free technology | Yes |
| Low Blue Light technology | Yes |
| VESA Adaptive Sync support | Yes |
| Sound mirroring | No |
| NVIDIA G-SYNC type | G-SYNC Compatible |
| AMD FreeSync type | FreeSync Premium Pro |

### Multimedia

| Feature | Value |
|---|---|
| Built-in camera | No |

### Other features

| Feature | Value |
|---|---|
| Headphone outputs | 1 |
| Maximum refresh rate | 540 Hz |
| Headphone connectivity | 3.5 mm |
| Power supply type | External |
| Plug and Play | Yes |
| Built-in microphone | No |
| Cable lock slot | Yes |
| Height adjustment | Yes |
| Tilt angle range | -5 - 21 |
| Pivot | Yes |
| Manual | Yes |
| Quick start guide | Yes |
| Swivelling | Yes |
| Local dimming | Yes |
| Weight (without stand) | 4300 g |
| Height (without stand) | 351 mm |
| Depth (without stand) | 51.2 mm |
| Screen mirroring | Yes |
| Low input lag | Yes |
| FPS counter | Yes |
| Shadow control | No |
| Dial point | No |
| Motion blur reduction | Yes |

### Power

| Feature | Value |
|---|---|
| Energy efficiency class (SDR) | F |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 24.7 kWh |
| Energy consumption (HDR) per 1000 hours | 25 kWh |
| Power consumption (typical) | 29 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) | 6800 g |
| Width (with stand) | 605.2 mm |
| Height (with stand) | 527.6 mm |
| Depth (with stand) | 220 mm |
| Width (without stand) | 605.2 mm |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | AC, DisplayPort, HDMI, USB Type-A to USB Type-B |
| Stand included | Yes |
| Screws included | Yes |
| Power adapter included | Yes |
| HDMI cable length | 1.8 m |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 9800 g |
| Package depth | 496 mm |
| Package height | 182 mm |
| Package width | 790 mm |

## FAQ

### How much does the LG 27GX790B-B 27" Quad HD OLED Gaming Monitor cost, and is it available for purchase?

The price is 935.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 50 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 09.07.2026 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 LG 27GX790B-B 27" Quad HD OLED 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 LG 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 LG 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 LG 27GX790B-B 27" Quad HD OLED 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/12422181/68713485_large.webp