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LG UltraGear 39GX900A-B Ultrawide OLED HDR Curved Monitor 39" QHD 3440x1440 240Hz with Response Time 0.03ms GTG
Monitors

LG UltraGear 39GX900A-B Ultrawide OLED HDR Curved Monitor 39" QHD 3440x1440 240Hz with Response Time 0.03ms GTG

Key features:

  • Model 2025
  • Aspect Ratio 21:9
  • Refresh Rate 240 Hz
  • Connection Type: DisplayPort, HDMI
See full description

  • Size

    The diagonal is the number used to describe the size of the screen. The most popular sizes are 24 and 27 inch screens.

  • Response Time (GTG)

    The time it takes for a pixel to change from one shade of gray to the next. A low response time provides faster response to our actions (input lag) and a cleaner image (less ghosting) which are important in gaming. Response times below 5ms are considered acceptable, but for gaming, monitors with 1ms are recommended.

  • Connection Type

    DisplayPort

    Modern way of digital transfer of image, sound and data, compatible with HDMI and DVI cables through an adapter.

    HDMI

    The type of connection used by popular gaming consoles such as Playstation 4/5, Xbox X/S, Nintendo Switch, etc. (Support for HDMI 2.1 is required for high fps and 4K resolutions.)

    USB-C

    A modern way of digitally transferring images, sound, and data with simultaneous charging capability that makes it particularly convenient for use with a laptop.

  • Refresh Rate

    Refers to how many times the screen image is refreshed per second. Screens with a high refresh rate offer a competitive advantage as their image is clearer (less motion blur).

    2. Typically, for office applications and simple gaming, 60-75Hz is common. In recent years, screens with 120, 144, and even 240Hz have emerged, mainly aimed at competitive gaming.

    240

    It offers a competitive advantage compared to screens with lower refresh rates as the image is clearer (less motion blur).

    If the computer does not exceed 165fps (frames per second) in games, there is no difference with a 165Hz screen.

  • Type

    The technology used by the screen to display the image.

    OLED

    OLEDs offer perfect black performance, color accuracy, high contrast, and extremely fast response.
  • See all
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Product report

Description

Description

Discover an immersive viewing experience with the 39-inch curved OLED HDR screen that expands your field of vision. With a 21:9 aspect ratio, this monitor is ideal for multitasking, such as working with multiple applications open at once or video editing.

The 3440x1440 resolution, combined with the stunning 240Hz refresh rate and ultra-low 0.03ms response time, ensures that images are exquisite and blur-free, perfect for gaming and multimedia.

The monitor supports technologies such as FreeSync, FreeSync Premium Pro, and G-Sync, which improve performance during gaming and reduce screen tearing. Additionally, it features a built-in USB Hub for connecting peripheral devices.

It is also equipped with HDR technology, offering natural color reproduction and preservation of details in both dark and bright areas. The curved design of the monitor contributes to a more natural viewing experience, reducing eye strain and adding depth to the image.

The monitor features adjustable height and is designed to protect your eyes with Eye Comfort functions, for a more pleasant use throughout the day.

  • Diagonal: 39 inches
  • Resolution: 3440x1440
  • Refresh Rate: 240Hz
  • Response Time: 0.03ms GTG
  • Panel: OLED
  • Technologies: FreeSync, FreeSync Premium Pro, G-Sync
  • HDR Support: Yes
  • Curved: Yes
  • UltraWide: Yes
  • Height Adjustment: Yes
  • Eye Comfort: Yes
  • Connection Types: DisplayPort, HDMI, USB-C

Up to 240Hz & 0.03ms – Explosive Gaming Speed with OLED

Play with the speed of OLED technology, enjoying an ultra-fast refresh rate of 240Hz and an almost instantaneous response time of 0.03ms (GtG). The increased speed allows you to react instantly to opponents and enjoy smoother scenes with minimal lag or ghosting.

Ultimate Frame Synchronization: FreeSync Premium Pro & G-SYNC Compatible

Say goodbye to screen tearing and image “breaking”. With support for AMD FreeSync Premium Pro and NVIDIA G-SYNC, this OLED monitor offers exceptionally smooth visuals without distortions, ensuring perfect frame synchronization both on PC and next-generation consoles.

Bright Image. Absolute Black. Stunning Detail

Lose yourself in stunningly vivid visuals with OLED technology, offering exceptional brightness, up to 98.5% DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400 certification. Every gaming scene comes to life with deep blacks, brilliant highlights, and cinematic color performance.

Curvature 800R: Experience the Action All Around You

See and feel the action surround you with the impressive 800R curvature. This intense curve expands your field of view, immerses you deeper into the game, and makes every moment more exciting and intense.

Reduced Reflections, Maximum Focus: Play Without Distractions

Stay completely focused with an OLED monitor designed to reduce glare and reflections. The anti-glare surface minimizes visual distractions, so you can keep your attention where it matters — on every move, every target, and every victory.

Unlock Your Potential with Advanced Gaming Features

  • Dynamic Action Sync reduces input lag for real-time instant response.
  • Black Stabilizer brightens dark scenes so you can see what's hidden in the darkness.
  • FPS Counter displays your actual frame rate at any moment.
  • Crosshair improves aim accuracy for perfectly deadly precision.

Battlestation Upgrade Custom for Gaming

Enjoy the 34” OLED screen with virtually no bezels. The sleek and slim design of the UltraGear offers adjustable height, tilt, and swivel for the ideal viewing angle, while the RGB hexagonal backlighting creates the perfect atmosphere for your battlestation.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Main Specifications

Panel
OLED

Panel

The technology used by the screen to display the image.

OLED
OLEDs offer perfect black performance, color accuracy, high contrast, and extremely fast response.
HDR
Yes

HDR

Technology of imaging aiming to preserve detail in both dark and bright areas, while providing a more natural color representation.
Curved
Yes

Curved

They offer a more natural viewing experience, greater image depth, and a wider field of view. 2. They help reduce eye strain. Recommended for screen sizes of 27" and above.
UltraWide
Yes

UltraWide

Long screens, suitable for tasks with multiple open windows, multitasking & video editing. They replace the use of multiple screens.
Curvature Rate
800R

Curvature Rate

The Curvature Grade is the radius of the circle (in millimeters) formed by placing several screens side by side to form a circle. The smaller the curvature number, the greater the curvature of the screen.
Diagonal
39 "

Diagonal

The diagonal is the number used to describe the size of the screen. The most popular sizes are 24 and 27 inch screens.
Resolution
3440x1440
Response Time (GTG)
0.03 ms

Response Time (GTG)

The time it takes for a pixel to change from one shade of gray to the next. A low response time provides faster response to our actions (input lag) and a cleaner image (less ghosting) which are important in gaming. Response times below 5ms are considered acceptable, but for gaming, monitors with 1ms are recommended.
Refresh Rate
240 Hz

Refresh Rate

Refers to how many times the screen image is refreshed per second. Screens with a high refresh rate offer a competitive advantage as their image is clearer (less motion blur).

2. Typically, for office applications and simple gaming, 60-75Hz is common. In recent years, screens with 120, 144, and even 240Hz have emerged, mainly aimed at competitive gaming.

240

It offers a competitive advantage compared to screens with lower refresh rates as the image is clearer (less motion blur).

If the computer does not exceed 165fps (frames per second) in games, there is no difference with a 165Hz screen.
Aspect Ratio
21:9

Aspect Ratio

The ratio of the width and height of the screen.

21:9
Long (ultrawide) screens with a 21:9 aspect ratio. Suitable for tasks with multiple open windows, multitasking & video editing. They replace the use of multiple screens.

Ergonomics

Tilt Adjustment
Yes
Height Adjustment
Yes
Vertical Rotation
No
Horizontal Rotation
No
Wall Mountable (Vesa)
100 x 100 mm

Wall Mountable (Vesa)

Vesa is a standard for mounting brackets that describes in millimeters the (horizontal X vertical) distance between the 4 screws, e.g. 200x100 means that the screws are 10cm and 20cm apart, forming a rectangle.

Connectivity

Connection
DisplayPort, HDMI, USB-C

Connection

DisplayPort

Modern way of digital transfer of image, sound and data, compatible with HDMI and DVI cables through an adapter.

HDMI
The type of connection used by popular gaming consoles such as Playstation 4/5, Xbox X/S, Nintendo Switch, etc. (Support for HDMI 2.1 is required for high fps and 4K resolutions.)
USB-C
A modern way of digitally transferring images, sound, and data with simultaneous charging capability that makes it particularly convenient for use with a laptop.

Additional Specifications

Features & Functions
FreeSync, FreeSync Premium Pro, G-Sync, USB Hub

Features & Functions

FreeSync
The FreeSync technology is mainly aimed at gaming as it improves screen performance and eliminates screen tearing by synchronizing the refresh rate of the screen with AMD graphics cards.
FreeSync Premium Pro
Advanced version of FreeSync technology primarily aimed at gaming. It improves screen performance and eliminates screen tearing by synchronizing the refresh rate of the screen with AMD graphics cards. It supports HDR content and a refresh rate of at least 120Hz at a minimum resolution of FHD 1920x1080 pixels.
G-Sync
The G-Sync technology is mainly aimed at gaming as it improves screen performance and eliminates screen tearing by synchronizing the refresh rate of the screen with Nvidia graphics cards.
USB Hub
The screen offers USB ports for easy connection of peripherals such as USB sticks. To operate, the screen must be connected to a USB port on the computer.
Speakers
Yes
Eye Comfort
Yes

Eye Comfort

Monitors with built-in Eye Comfort or flicker free function or built-in blue light filter to protect your vision.
Camera
No
Colour
Black

Energy Label

Energy Consumption
25 kWh/1000h

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

Discover an immersive viewing experience with the 39-inch curved OLED HDR screen that expands your field of vision. With a 21:9 aspect ratio, this monitor is ideal for multitasking, such as working with multiple applications open at once or video editing.

The 3440x1440 resolution, combined with the stunning 240Hz refresh rate and ultra-low 0.03ms response time, ensures that images are exquisite and blur-free, perfect for gaming and multimedia.

The monitor supports technologies such as FreeSync, FreeSync Premium Pro, and G-Sync, which improve performance during gaming and reduce screen tearing. Additionally, it features a built-in USB Hub for connecting peripheral devices.

It is also equipped with HDR technology, offering natural color reproduction and preservation of details in both dark and bright areas. The curved design of the monitor contributes to a more natural viewing experience, reducing eye strain and adding depth to the image.

The monitor features adjustable height and is designed to protect your eyes with Eye Comfort functions, for a more pleasant use throughout the day.

  • Diagonal: 39 inches
  • Resolution: 3440x1440
  • Refresh Rate: 240Hz
  • Response Time: 0.03ms GTG
  • Panel: OLED
  • Technologies: FreeSync, FreeSync Premium Pro, G-Sync
  • HDR Support: Yes
  • Curved: Yes
  • UltraWide: Yes
  • Height Adjustment: Yes
  • Eye Comfort: Yes
  • Connection Types: DisplayPort, HDMI, USB-C

Up to 240Hz & 0.03ms – Explosive Gaming Speed with OLED

Play with the speed of OLED technology, enjoying an ultra-fast refresh rate of 240Hz and an almost instantaneous response time of 0.03ms (GtG). The increased speed allows you to react instantly to opponents and enjoy smoother scenes with minimal lag or ghosting.

Ultimate Frame Synchronization: FreeSync Premium Pro & G-SYNC Compatible

Say goodbye to screen tearing and image “breaking”. With support for AMD FreeSync Premium Pro and NVIDIA G-SYNC, this OLED monitor offers exceptionally smooth visuals without distortions, ensuring perfect frame synchronization both on PC and next-generation consoles.

Bright Image. Absolute Black. Stunning Detail

Lose yourself in stunningly vivid visuals with OLED technology, offering exceptional brightness, up to 98.5% DCI-P3 color coverage, a 1.5M:1 contrast ratio, and DisplayHDR True Black 400 certification. Every gaming scene comes to life with deep blacks, brilliant highlights, and cinematic color performance.

Curvature 800R: Experience the Action All Around You

See and feel the action surround you with the impressive 800R curvature. This intense curve expands your field of view, immerses you deeper into the game, and makes every moment more exciting and intense.

Reduced Reflections, Maximum Focus: Play Without Distractions

Stay completely focused with an OLED monitor designed to reduce glare and reflections. The anti-glare surface minimizes visual distractions, so you can keep your attention where it matters — on every move, every target, and every victory.

Unlock Your Potential with Advanced Gaming Features

  • Dynamic Action Sync reduces input lag for real-time instant response.
  • Black Stabilizer brightens dark scenes so you can see what's hidden in the darkness.
  • FPS Counter displays your actual frame rate at any moment.
  • Crosshair improves aim accuracy for perfectly deadly precision.

Battlestation Upgrade Custom for Gaming

Enjoy the 34” OLED screen with virtually no bezels. The sleek and slim design of the UltraGear offers adjustable height, tilt, and swivel for the ideal viewing angle, while the RGB hexagonal backlighting creates the perfect atmosphere for your battlestation.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Main Specifications

Panel
OLED

Panel

The technology used by the screen to display the image.

OLED
OLEDs offer perfect black performance, color accuracy, high contrast, and extremely fast response.
HDR
Yes

HDR

Technology of imaging aiming to preserve detail in both dark and bright areas, while providing a more natural color representation.
Curved
Yes

Curved

They offer a more natural viewing experience, greater image depth, and a wider field of view. 2. They help reduce eye strain. Recommended for screen sizes of 27" and above.
UltraWide
Yes

UltraWide

Long screens, suitable for tasks with multiple open windows, multitasking & video editing. They replace the use of multiple screens.
Curvature Rate
800R

Curvature Rate

The Curvature Grade is the radius of the circle (in millimeters) formed by placing several screens side by side to form a circle. The smaller the curvature number, the greater the curvature of the screen.
Diagonal
39 "

Diagonal

The diagonal is the number used to describe the size of the screen. The most popular sizes are 24 and 27 inch screens.
Resolution
3440x1440
Response Time (GTG)
0.03 ms

Response Time (GTG)

The time it takes for a pixel to change from one shade of gray to the next. A low response time provides faster response to our actions (input lag) and a cleaner image (less ghosting) which are important in gaming. Response times below 5ms are considered acceptable, but for gaming, monitors with 1ms are recommended.
Refresh Rate
240 Hz

Refresh Rate

Refers to how many times the screen image is refreshed per second. Screens with a high refresh rate offer a competitive advantage as their image is clearer (less motion blur).

2. Typically, for office applications and simple gaming, 60-75Hz is common. In recent years, screens with 120, 144, and even 240Hz have emerged, mainly aimed at competitive gaming.

240

It offers a competitive advantage compared to screens with lower refresh rates as the image is clearer (less motion blur).

If the computer does not exceed 165fps (frames per second) in games, there is no difference with a 165Hz screen.
Aspect Ratio
21:9

Aspect Ratio

The ratio of the width and height of the screen.

21:9
Long (ultrawide) screens with a 21:9 aspect ratio. Suitable for tasks with multiple open windows, multitasking & video editing. They replace the use of multiple screens.

Ergonomics

Tilt Adjustment
Yes
Height Adjustment
Yes
Vertical Rotation
No
Horizontal Rotation
No
Wall Mountable (Vesa)
100 x 100 mm

Wall Mountable (Vesa)

Vesa is a standard for mounting brackets that describes in millimeters the (horizontal X vertical) distance between the 4 screws, e.g. 200x100 means that the screws are 10cm and 20cm apart, forming a rectangle.

Connectivity

Connection
DisplayPort, HDMI, USB-C

Connection

DisplayPort

Modern way of digital transfer of image, sound and data, compatible with HDMI and DVI cables through an adapter.

HDMI
The type of connection used by popular gaming consoles such as Playstation 4/5, Xbox X/S, Nintendo Switch, etc. (Support for HDMI 2.1 is required for high fps and 4K resolutions.)
USB-C
A modern way of digitally transferring images, sound, and data with simultaneous charging capability that makes it particularly convenient for use with a laptop.

Additional Specifications

Features & Functions
FreeSync, FreeSync Premium Pro, G-Sync, USB Hub

Features & Functions

FreeSync
The FreeSync technology is mainly aimed at gaming as it improves screen performance and eliminates screen tearing by synchronizing the refresh rate of the screen with AMD graphics cards.
FreeSync Premium Pro
Advanced version of FreeSync technology primarily aimed at gaming. It improves screen performance and eliminates screen tearing by synchronizing the refresh rate of the screen with AMD graphics cards. It supports HDR content and a refresh rate of at least 120Hz at a minimum resolution of FHD 1920x1080 pixels.
G-Sync
The G-Sync technology is mainly aimed at gaming as it improves screen performance and eliminates screen tearing by synchronizing the refresh rate of the screen with Nvidia graphics cards.
USB Hub
The screen offers USB ports for easy connection of peripherals such as USB sticks. To operate, the screen must be connected to a USB port on the computer.
Speakers
Yes
Eye Comfort
Yes

Eye Comfort

Monitors with built-in Eye Comfort or flicker free function or built-in blue light filter to protect your vision.
Camera
No
Colour
Black

Energy Label

Energy Consumption
25 kWh/1000h

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

1.295,00 €
53,00 €   shipping cost