Restoring data from an on-premises server is as fast as your own network. Metallic supports a wide array of on-premises storage, such as Commvault HyperScale X, Dell EMC Data Domain, Dell EMC Isilon/PowerScale with OneFS, and Pure Storage FlashArray & Flashblade.
Benefits of On-Premises Storage
Recovery is fast
Moving data does not incur charges
You know exactly where your data is
Considerations for On-Premises Storage
You must manage your storage infrastructure
Adding or upgrading storage requires planning and money