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Koorui S2721XO QD-OLED HDR Gaming Monitor 27" QHD 2560x1440 240Hz with Response Time 0.03ms GTG
Monitors

Koorui S2721XO QD-OLED HDR Gaming Monitor 27" QHD 2560x1440 240Hz with Response Time 0.03ms GTG

This gaming monitor offers an exceptional gaming experience with powerful specifications. With a 27-inch diagonal and QHD 2560x1440 resolution, you can enjoy stunning image quality and detail. The...

This gaming monitor offers an exceptional gaming experience with powerful specifications. With a 27-inch diagonal and QHD 2560x1440 resolution, you can enjoy stunning image quality and detail. The response time of just 0.03 ms GTG ensures quick reaction to your actions, minimizing ghosting and enhancing the visual experience during gaming.

The 240 Hz refresh...

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Top specs

  • 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.)

  • 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.
  • See all
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Product report

Description

Description

This gaming monitor offers an exceptional gaming experience with powerful specifications. With a 27-inch diagonal and QHD 2560x1440 resolution, you can enjoy stunning image quality and detail. The response time of just 0.03 ms GTG ensures quick reaction to your actions, minimizing ghosting and enhancing the visual experience during gaming.

The 240 Hz refresh rate provides smooth image flow, creating a competitive advantage, ideal for fast-paced games. The QD-OLED technology brings every scene to life, delivering excellent color performance and a contrast ratio of 1,500,000:1.

It also supports HDR for rich and natural tones, making it perfect for gaming and movies. The monitor features DisplayPort and HDMI for easy connection to various devices, while FreeSync and G-Sync technologies guarantee a seamless and flicker-free gaming experience.

  • Diagonal: 27 inches
  • Resolution: 2560x1440 (QHD)
  • Response Time: 0.03 ms GTG
  • Refresh Rate: 240 Hz
  • Panel Technology: QD-OLED
  • Contrast Ratio: 1,500,000:1
  • HDR Support
  • Connectivity: DisplayPort, HDMI
  • Features: FreeSync, G-Sync
  • Aspect Ratio: 16:9
  • Height Adjustment and Vertical Rotation

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Main Specifications

Panel
QD-OLED

Panel

The technology used by the screen to display the image.
HDR
Yes

HDR

Technology of imaging aiming to preserve detail in both dark and bright areas, while providing a more natural color representation.
Curved
No

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
No

UltraWide

Long screens, suitable for tasks with multiple open windows, multitasking & video editing. They replace the use of multiple screens.
Diagonal
27 "

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
2560x1440
Contrast
1500000 :1

Contrast

The brightness ratio between the brightest and darkest shade that the screen can display. A good value is 1000:1, with values above 3000:1 usually being plasma.
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
16:9

Aspect Ratio

The ratio of the width and height of the screen.

16:9
The most common aspect ratio for computer screens.

Ergonomics

Tilt Adjustment
Yes
Height Adjustment
Yes
Vertical Rotation
Yes
Horizontal Rotation
Yes
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

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.)

Additional Specifications

Monitor Type
Gaming Monitor

Monitor Type

Gaming Monitor
Screens with gaming-oriented features such as low response time, high refresh rate, etc.
Features & Functions
FreeSync, G-Sync

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.
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.
Speakers
No
Eye Comfort
No

Eye Comfort

Monitors with built-in Eye Comfort or flicker free function or built-in blue light filter to protect your vision.
Camera
-
Colour
Black

Energy Label

Energy Class
F

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
Questions

Questions

Do you have a question about the product?

Those users who have this product can help you

Ask for the product

Description & Specifications

This gaming monitor offers an exceptional gaming experience with powerful specifications. With a 27-inch diagonal and QHD 2560x1440 resolution, you can enjoy stunning image quality and detail. The response time of just 0.03 ms GTG ensures quick reaction to your actions, minimizing ghosting and enhancing the visual experience during gaming.

The 240 Hz refresh rate provides smooth image flow, creating a competitive advantage, ideal for fast-paced games. The QD-OLED technology brings every scene to life, delivering excellent color performance and a contrast ratio of 1,500,000:1.

It also supports HDR for rich and natural tones, making it perfect for gaming and movies. The monitor features DisplayPort and HDMI for easy connection to various devices, while FreeSync and G-Sync technologies guarantee a seamless and flicker-free gaming experience.

  • Diagonal: 27 inches
  • Resolution: 2560x1440 (QHD)
  • Response Time: 0.03 ms GTG
  • Refresh Rate: 240 Hz
  • Panel Technology: QD-OLED
  • Contrast Ratio: 1,500,000:1
  • HDR Support
  • Connectivity: DisplayPort, HDMI
  • Features: FreeSync, G-Sync
  • Aspect Ratio: 16:9
  • Height Adjustment and Vertical Rotation

Manufacturer

Manufacturer Details

Warnings & Safety Information

Main Specifications

Panel
QD-OLED

Panel

The technology used by the screen to display the image.
HDR
Yes

HDR

Technology of imaging aiming to preserve detail in both dark and bright areas, while providing a more natural color representation.
Curved
No

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
No

UltraWide

Long screens, suitable for tasks with multiple open windows, multitasking & video editing. They replace the use of multiple screens.
Diagonal
27 "

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
2560x1440
Contrast
1500000 :1

Contrast

The brightness ratio between the brightest and darkest shade that the screen can display. A good value is 1000:1, with values above 3000:1 usually being plasma.
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
16:9

Aspect Ratio

The ratio of the width and height of the screen.

16:9
The most common aspect ratio for computer screens.

Ergonomics

Tilt Adjustment
Yes
Height Adjustment
Yes
Vertical Rotation
Yes
Horizontal Rotation
Yes
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

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.)

Additional Specifications

Monitor Type
Gaming Monitor

Monitor Type

Gaming Monitor
Screens with gaming-oriented features such as low response time, high refresh rate, etc.
Features & Functions
FreeSync, G-Sync

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.
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.
Speakers
No
Eye Comfort
No

Eye Comfort

Monitors with built-in Eye Comfort or flicker free function or built-in blue light filter to protect your vision.
Camera
-
Colour
Black

Energy Label

Energy Class
F

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.