Product : Microsoft, S2D [SDS]/2.0, Datacenter
Feature : Scalability, Scaling, Server Support
Content Owner:  Herman Rutten
Summary
2-16 nodes in 1-node increments; >1,000 nodes in a federation (cluster set)
Details
The maximum S2D cluster consists of 16 server nodes. The data is automatically rebalanced across the cluster when a server is wither added to or removed from the cluster.

The maximum raw capacity per S2D cluster is 4PB. The maximum number of drives per S2D cluster os 416.

Microsoft Windows Server 2019 brings Cluster Sets that enables to move VMs across several clusters that are federated in a "cluster set".