: Provides straightforward management tools to set the disk to read-only , read/write , or exclusive write modes.

If you were referring to , the primary feature is the ability to attach a single managed disk to multiple virtual machines (VMs) simultaneously to support clustered applications like SQL Server. Share an Azure managed disk across VMs - Microsoft Learn

: Users can register devices using a unique hardware ID and key, enabling secure attachment directly over Ethernet.

: Supports grouping multiple compatible devices together to expand total storage capacity or create mirrors for data protection.