The Supermicro X11SRA Motherboard Review: C422 based Workstation for Xeon-W
 

For many professionals, a consumer level board may not have the features needed to satisfy their needs. Typically these boards include additional network functions and can have more and different types of storage options such as U.2 ports or switches. The Supermicro X11SRA, the motherbaord in this review, is aimed at the workstation market that sometimes has non-consumer demands. The X11SRA works only with the Xeon-W family of CPUs, analagous to the Skylake-X Core CPUs but supporting RDIMMs and ECC for up to 512GB of memy. These systems are designed to deliver a lot of horsepower, up to 18 cores, as well as storage and other needs.

https://www.anandtech.com/show/12550...-xeonw-inside-