https://wccftech.com/xcloud-servers-to-get-upgraded-to-xbox-series-x-hardware-in-2021/

Microsoft is planning to upgrade the xCloud serves to Xbox Series X hardware next year, according to a new report.

The Verge's Tom Warren revealed today that the hardware transition from Xbox One S to Xbox Series X hardware for the gaming streaming service will happen sometime in 2021. So, the streaming service will be powered by Xbox One S hardware at launch.