Adapter USB-C to DisplayPort compatible with the 8KX

Pimax Hardware P2: 8k(+)
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Hello everybody,

I just bought the Lenovo Legion 5 Pro 16ACH6H Storm Gray Laptop, 16 " WQXGA 165Hz HDR, Ryzen 7 5800H, 16GB, 1TB SSD, GeForce RTX 3070 8GB.

I would like to know if anyone has ever used the 8kx with a laptop that has a USB-C 3.2 Gen 2 port (support data transfer and DisplayPort 1.4). I’m looking for a usb-c to displayport adapter that is compatible with 8kx.

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You may need to do a keyword search on these forums for usb-c. I don’t think anyone has posted a working solution yet or has had a usb-c connect direct to a dedicated graphics card on a laptop…

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Thanks,
I will do some research.

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Thanks for your advice. This is the first adapter I bought but it didn’t work. The 8kx is detected in pitool but nothing appears on the screen of the helmet.

I then bought another adapter from the same brand which has DisplayPort 1.4 and Display Stream Compression (DSC) 1.2 standards:

https://www.cablematters.com/pc-899-126-usb-c-multiport-adapter-with-8k-displayport-2x-usb-20-fast-ethernet-and-power-delivery.aspx

With this adapter it works but the screen shows many dots like snow.

This week I will receive another adapter.
Once I have tested it I will come back to express my opinion.

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Maybe try disabling energy savings just for that one USB port for the “working” adapter.

Well I tried this method but it doesn’t work. I also tested the last adapter I received yesterday :

https://www.cablematters.com/pc-684-125-usb-c-to-displayport-adapter-8k-ready-upgraded.aspx

and this one fails to display the screen like the first one.

Among these 3 adapters only the one which has DSC 1.2 signal can display the screen but in my case there is a pixel snow problem …

Anyway thank you for your help and your suggestions.

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First of all I would like to thank the technical support who helped me find the solution.
Thanks to Doman chen and all the pimax team.

Now for anyone looking for a usb-c to displayport 1.4 adapter compatible with the 8KX (and other headsets) here is the one that works well for me:

As described above my new laptop was released recently. It has a USB-C 3.2 gen 2 port (support data transfer and DisplayPort 1.4 but not support thunderbolt 3).

Among all tested adapters only one of this brand has worked well for me.

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Thanks for the research you’ve put into this, it will come in handy for others in your situation

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