Amazon EBS Fast Snapshot Restore (FSR) eliminates the need for pre-warming data into volumes created from snapshots

You can now enable Fast Snapshot Restore (FSR) on Amazon Elastic Block Store (EBS) snapshots, ensuring that EBS volumes restored from FSR-enabled snapshots instantly receive full provisioned performance. You can enable FSR for an additional hourly charge to your regular snapshot cost for each Availability Zone (AZ) in which FSR … Read More here

Source:: Amazon AWS