HDC403-P23-USBK-N and Ubuntu laptop

Bronek

17. Juli 2026 12:17

I'm looking for a KVM that will be able to handle my 3 monitors with Windows PC, Linux PC , Windows laptop (USB) and Linux laptop (USB).

For all devices I would like to use extended desktop.

Documentation says it is not possible:

"Up to now, devices running Apple’s MacOS, Ubuntu and other operating systems do not support MST mode."

However, MST is present in Ubuntu for quite a while.

Are you planning to update this KVM to support Linux?

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  TESmart.01

  28. Juli 2026 08:06

  Hello,

  Thank you for your inquiry.

  The current model HDC403-P23-N supports Ubuntu systems using MST mode to achieve extended multi-monitor display.

  You can try connecting your Linux devices to the KVM and check whether the extended desktop function works properly with your specific system configuration.

  Please note that compatibility may still depend on the Linux distribution, kernel version, GPU, and USB-C/DisplayPort output capability of the device.

  If you encounter any issues during testing, please feel free to contact us. We will be happy to assist you further.

  Best regards,

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