I knew about that requirement ages ago...
There are other solutions:
Additionally, TPCast may provide another solution later this year:
https://community.viveport.com/t5/Technical-Support/The-new-Vive-Pro-amp-Current-TPCast/td-p/14293
Think of it this way: hardware is already being pushed to its limits, and VR is still in its infancy. With a bit of luck, this may push hardware developers to up their game a bit.