Dell EMC VxRail 400GB SSD SAS Cache

Dell EMC VxRail SSD Cache is a secondary cache used with primary cache to enable better performance. By using volume reads and writes, the SSD cache leverages all of the applicable volume features, such as (primary) caching, data assurance, and full disk encryption, that are available to user volumes. Cache improves read and write performance in a hybrid storage configuration and write performance and endurance in an all-flash configuration.