Product : Cisco, HyperFlex [HCI]/4.0, x86
Feature : SC Data Redundancy, Disaster Recovery, Data Availability
Content Owner:  Herman Rutten
Replicas: 2N at each active site
In the case of stretched clustering, 2N means that there are two instances of the data available at each of the active sites (effectively RF4). HX Stretched Clustering leverages synchronous data replication.

RF= Replication Factor