Home > Storage > PowerMax and VMAX > Storage Admin > Dell PowerMax: Data Reduction > Data at Rest Encryption (D@RE)
D@RE provides hardware-based, on-array, back-end encryption, Data Reduction provides inline compression and Deduplication. Data is passed through the Data Reduction hardware before being sent through the encryption hardware. Therefore, data is compressed, deduped, or both before being encrypted by the D@RE process. On a D@RE enabled system data encrypted on disk has already been compressed, deduped, or both.