>>277768151
It's the same one they recommend for the Rift, at least it was when I asked Oculus support half a year ago. That they don't have a similar page for Rift S is lazy.
https://support.oculus.com/1798990480336565/
>https://www.amazon.com/Inateck-Superspeed-Ports-PCI-Expansion/dp/B00B6ZCNGM
It worked for me back then.