Home > Data Protection > PowerProtect Cyber Recovery > Dell PowerProtect Cyber Recovery: Reference Architecture > Dell PowerProtect DD series appliances for Cyber Recovery
PowerProtect DD series appliances are fast, secure, and efficient data protection appliances that support the Cyber Recovery solution and accommodate a unique Cyber Recovery vault.
Cyber Recovery works with DD series MTree replication technology to move and retain the protected copies of critical data in the Cyber Recovery vault. Cyber Recovery supports up to five DD series in the Cyber Recovery vault.
Required DD series licenses for Cyber Recovery include DD Boost, Replication, Retention Lock Governance, and Retention Lock Compliance.