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Last updated: September 9th, 2018 at 21:55 UTC+02:00
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The official Samsung USB-C to HDMI dongle has support for up to UHD and 4K screens with 60Hz refresh rate. It uses the HDMI 2.0 and DisplayPort 1.2 standards and is compatible with a variety of Samsung devices that have a USB-C port. On those devices, it's possible to mirror the screen on the TV with this dongle. The dock-less DeX experience is only limited to the Galaxy Note 9.
However, there's no compulsion to buy this particular dongle if you want to use DeX without a dock on the Galaxy Note 9. I have been able to do just that with an aftermarket dongle. Any USB-C to HDMI dongle can be used to run DeX without a dock on the Galaxy Note 9. The handset will show you a notification that it's recommended to use official Samsung accessories but it's not intrusive and won't prevent you from running DeX.
Samsung's official USB-C to HDMI dongle is available for purchase right now. It can be bought from Amazon for $31.
Adnan Farooqui is a long-term writer at SamMobile. Based in Pakistan, his interests include technology, finance, Swiss watches and Formula 1. His tendency to write long posts betrays his inclination to being a man of few words.
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