Which NVMe SSDs are supported by Dell EMC PowerStore?

A customer with a Dell Unity 550F has recently upgraded to the Unity OE 5 0 release They want to use the Advanced Deduplication feature to reduce the used data capacity in a dynamic storage pool LUNs in the pool have the feature enabled but the pool used capacity has not reduced What is one way to fix this problem?

When a remove replication operation is performed on a Dell EMC PowerStore array, what happens to the destination storage resource?