[2][4] CAS for Windows is an application-aware file-based cache, which can be tuned by system administrators.
[5][6] CAS is also aware of some virtualization technologies like vMotion, maintaining a hot SSD cache during a VM migration.
[8] Intel CAS for Linux consists of a GPL'd source loadable kernel module paired with a closed source user-space admin configuration tool.
The current version of CAS for Linux supports write-through, write-back, and write-around caching.
The Windows versions of CAS support write-through and write-back caching.