Workload Mobility and Disaster Recovery : Designing the Solution : 4.4 Network Design : 4.4.4 Control-Plane Design : 4.4.4.1 NSX Controller Resource Requirements
   
4.4.4.1 NSX Controller Resource Requirements
NSX Controller nodes are deployed only at the provider side of the solution. To maintain a majority within the cluster, deploy three controllers.
Table 8. vSphere Replication Resource Requirements
Resources
Virtual CPUs
Virtual RAM
Virtual Storage
NSX Controller nodes
4
4 GB
20 GB