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What is USB speed and refresh rate of VG2755-2K/VG2455-2K under USB-C connection?

The VG2755-2K/VG2455-2K (via USB-C) by default can display 2K 60Hz, and the OSD setting for "USB 3.2" is Off. 

If the user turns "USB 3.2" On, then a USB-C connection can only display 2K 30Hz.

There's not enough bandwidth for USB 3.2 speeds when connected via USB-C to output 2K 60Hz.
 
This situation will only happen on a USB-C connection. If users connect via DP or HDMI, USB 3.2 speeds will not be affected.

Port

Display

USB-C Charging

USB Connection

USB Setting (OSD)

USB Speed

Remark

USB-C

2K60

60W

USB-C

(Default)
USB 3.2 Off

2.0

4-lanes for 2K@60Hz

USB-C

2K30

60W

USB-C

USB 3.2 On

3.2

2-lanes for 2K@30Hz

2-lanes for USB 3.2

DP

2K60

-

USB-B upstream

(Default)
USB 3.2 On

3.2

　

  

dernières modifications: jui 2021

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