Xiaomi 4K Monitor A27Ui Overview

Overview Specs Shop Now
4K UHD image quality | USB-C reverse charging | High colour accuracy ∆E <1 | TÜV low blue light certification | Colour matching across screens
4K UHD image quality 4K UHD image quality

4K UHD image quality

3840 x 2160 resolution

27-inch IPS hard screen 27-inch IPS hard screen

27-inch IPS hard screen

178° HD wide visual angle

Versatile USB-C port Versatile USB-C port

Versatile USB-C port

Up to 90W reverse charging*

*The versatile USB-C port delivers 90W max. output when the screen is off.

∆E<1 ∆E<1

∆E<1

Professional colour accuracy

Colour matching Colour matching

Colour matching

Colour matching across screens

Dual Wide colour gamut coverage Dual Wide colour gamut coverage

Dual Wide colour gamut coverage

95% DCI-P3 100% sRGB

TÜV low blue light certification TÜV low blue light certification

TÜV low blue light certification

Certified innovative eye protection solutions

Multifunctional adjustable stand Multifunctional adjustable stand

Multifunctional adjustable stand

Rotate and adjust to fit your needs

Outstanding UHD
image quality
Outstanding UHD <br> image quality Outstanding UHD <br> image quality
4K UHD image quality*
Accurate and detailed images

The premium IPS display panel with 3840 x 2160 UHD resolution ensures details appear sharp and crisp. Even when images are zoomed in after processing, the finest details are clear.

UHD resolution
3840 x 2160
Wide viewing angle
178°
Richer contrast and more details
HDR10*

4K UHD image quality* 4K UHD image quality*
Dual colour gamut coverage*
An astoundingly vivid view

Offering an impressive 1.07 billion vibrant colours for dynamic depth and smooth colour transitions. The dual wide colour gamut coverage delivers stunning colours to meet your professional needs.

1.07 billion
Professional colours
10-bit*
Colour depth
100%
sRGB
95%
DCI-P3

Dual colour gamut coverage* Dual colour gamut coverage*
∆E<1* professional colour accuracy
Every screen is colour calibrated at the factory

Every monitor undergoes rigorous colour calibration before leaving the factory. With ∆E<1, the difference in colours is nearly imperceptible, allowing accurate colour reproduction across screens perfect for tasks such as image editing and design.

∆E<1* professional colour accuracy ∆E<1* professional colour accuracy
A powerful monitor to enhance
your working efficiency
A powerful monitor to enhance <br> your working efficiency A powerful monitor to enhance <br> your working efficiency
Versatile USB-C port
All-in-one charging and data transmission

The versatile USB-C port supports a one-cable connection between your laptop and monitor, facilitating the transmission of audio/video signals and data, as well as simultaneous 90W (max.) reverse charging for your laptop*.

Versatile USB-C port Versatile USB-C port
Colour matching across screens*
Different devices Matching colours

Xiaomi and Redmi devices, including smartphones and tablets, offer colour consistency across devices irrespective of screen size, ensuring a seamless and uniform experience when switching between them.

Colour matching across screens* Colour matching across screens*
Narrow bezel on three sides
Enhanced multi-screen experience

The three-sided narrow bezel design greatly expands viewing angles, providing an improved, more immersive experience. Connect with multiple screens for a wider and more immersive visual experience.

Narrow bezel on three sides Narrow bezel on three sides
Eye protection for
long-lasting comfort
Eye protection for<br> long-lasting comfort Eye protection for<br> long-lasting comfort
Comfortable low blue light*
DC dimming for enhanced eye protection

Boasting German TÜV Low Blue Light Certification, the monitor filters out short-wave blue light for a comfortable and eye-friendly viewing experience in low blue light mode. Paired with DC dimming, screen flicker is also effectively reduced.

Comfortable low blue light* Comfortable low blue light*
Thoughtful features for an
improved user experience
Thoughtful features for an <br> improved user experience Thoughtful features for an <br> improved user experience
Narrow bezel on three sides
Enhanced multi-screen experience

The three-sided narrow bezel design greatly expands viewing angles, providing an improved, more immersive experience. Connect with multiple screens for a wider and more immersive visual experience.

Narrow bezel on three sides Narrow bezel on three sides
Integrated USB Hub feature
Multiple ports with a wide range of practical features

After connecting the monitor and the laptop with the included USB-C cable, the additional ports on the back of the monitor can be used to connect peripheral devices like your mouse and USB drive, reducing the burden on your laptop. Enjoy an organised creative workspace.

Integrated USB Hub feature Integrated USB Hub feature
Clip-on back cover
Hide ports and store cables.
Clip-on back cover Clip-on back cover
Notes:
*This device supports a maximum resolution of 3840 x 2160. For optimal performance, it is recommended to use the included HDMI cable to connect to the HDMI port of this device. If the display resolution cannot reach the optimal value when any other HDMI cable is used, please confirm with the supplier whether the HDMI cable and the signal source device support the highest resolution output.
*Auto HDR is supported. To watch HDR content, enable HDR on the computer system and set HDR to "Auto" on the monitor.
*100% sRGB wide colour gamut: Refers to 100% sRGB colour gamut coverage calculated in a CIE 1931 colour space. 95% DCI-P3 wide colour gamut: Refers to 95% DCI-P3 colour gamut coverage calculated in a CIE 1976 colour space.
*10-bit high colour depth is achieved with 8-bit + FRC.
*∆E<1 professional colour accuracy: Average ∆E<1 in the sRGB colour gamut. ∆E refers to the testing unit for colour differences perceived by the human eye in a uniform colour perception space. It can quantify colour reproduction to indicate the accuracy of the colour display. Smaller numerical values indicate less colour distortion.
*The versatile USB-C port delivers 90W max. output power when the screen is off. Actual output may differ depending on the connected laptop model.
*Multi-screen colour matching is supported by Xiaomi 14, Xiaomi 14 Ultra, Xiaomi 13 Ultra, Xiaomi MIX Flip, Xiaomi Pad 6, Xiaomi Pad 6S Pro 12.4. For information on specific devices, please contact customer service.
*Low Blue Light Certification: TÜV Low Blue Light Certification ID: 0217009673. Low blue light mode needs to be turned on manually. Enter the OSD menu and select Image mode > Mode selection > Low blue light.
*This is not a medical device and cannot be used to treat illnesses.
*All data on this page comes from Xiaomi Internal Labs unless otherwise stated. Actual data may vary depending on environmental factors.
*All product images, screen content and effects shown on this web page are for illustration purposes only and may differ from the actual device. Please refer to the actual product.
*The product images and models, data, functions, performance, specification parameters, user interface and other product information on this page are for reference only and may differ from the actual product. Xiaomi may amend this information. For details, please refer to the actual product.
*Product images and models, data, functions, performance, specification parameters, user interface and other information are for reference only. Xiaomi may amend the above information. For details, please refer to the actual product.
*The comparisons made on this page are with Xiaomi products. Comparison images are for illustrative purposes only. Please refer to the actual product.
*To enhance the product's visual appeal, the power supply and cables have not been displayed on this page. Please note that the device must be connected to a power supply before use.