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header-product LG 27GX790B-B 27-inch Quad HD OLED Gaming Monitor, 2560 x 1440, 0.03 ms Response Time, Black
937.99 €

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

LG 27GX790B-B 27" Quad HD OLED Gaming Monitor Photo 1
LG 27GX790B-B 27" Quad HD OLED Gaming Monitor Photo 2
LG 27GX790B-B 27" Quad HD OLED Gaming Monitor Photo 1
LG 27GX790B-B 27" Quad HD OLED Gaming Monitor Photo 2
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Short 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.
Available at price 937.99 €: 10 pcs.
Total available for order: 50 pcs.
Warranty: 2 Years
SKU: 12422181
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1.89 €

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Customer service center
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From 4.99 €
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From 1.89 €
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36 months installment: from 26.06 euros per month
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Product information

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 diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
27 "
Display resolution:
2560 x 1440
HD type:
Quad HD
Panel type:
WOLED
Display technology:
OLED
Pixel pitch:
0.229 x 0.229
Response time:
0.03 ms
Contrast ratio (typical):
1500000:1
Display brightness (typical):
335 cd/m²
Screen shape:
Flat
Built-in USB hub:
Yes
VESA mounting:
Yes
Built-in speaker(s):
No
Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
F
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
24.7 kWh
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
25 kWh
Product colour:
Black
All features

Display

Display diagonal: iagonal of the visible part of the screen expressed in centimeters and inches.
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

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

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

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

Built-in speaker(s):
No

Performance

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

Built-in camera:
No

Other features

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

Energy efficiency class (SDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
F
Energy efficiency class (HDR): Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.
G
Energy consumption (SDR) per 1000 hours: Power consumption in switched-on state expressed in W.
24.7 kWh
Energy consumption (HDR) per 1000 hours: Power consumption in switched-on state expressed in W.
25 kWh
Power consumption (typical): Power consumption in switched-on state expressed in W.
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: Range of energy efficiency levels classifying devices from most to least energy-efficient.
A to G

Weight & dimensions

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

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

Package weight:
9800 g
Package depth:
496 mm
Package height:
182 mm
Package width:
790 mm

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
WH337 10 09.07.2026 Best delivery 937.99 € Best price
WH334 20 09.07.2026 Best delivery 962.99 €
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
WH109 20 23.07.2026 1,028.99 €
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Stock: 20
Delivery Date: 09.07.2026 Best delivery
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Available only for legal entities
1,028.99 €
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Delivery Date: 23.07.2026
Warehouse: WH109

Energy label

Energy label
27GX790B-B.AEU
Model

Device manufacturer code

LG
Manufacturer

Device manufacturer

27 "
Display diagonal

iagonal of the visible part of the screen expressed in centimeters and inches.

F
Energy efficiency class (SDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

G
Energy efficiency class (HDR)

Energy efficiency class is a standard classification that is used all over Europe and which is understandable at first sight. Products can be efficiently compared according to classes, starting from A (the most energy efficient class), and ending with G (the most energy-intensive class). The classification of energy efficiency is based on annual energy consumption which is being calculated on the basis of several different parameters.

24.7 kWh
Energy consumption (SDR) per 1000 hours

Power consumption in switched-on state expressed in W.

25 kWh
Energy consumption (HDR) per 1000 hours

Power consumption in switched-on state expressed in W.

Customer reviews

Customer questions

FAQ

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

The price is 937.99 € (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. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the LG 27GX790B-B 27" Quad HD OLED Gaming Monitor online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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.
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