Synology DiskStation DS1520+ 5-bay NAS

The AES-NI hardware encryption engine in the DS1520+ does a very good job of negating the effects of dealing with data encrypted transfers. In a RAID 5 array, there’s only an 8MB/s drop in performance when writing to the DS1520+ and just 10MB/s are dropped when reading the data back.

In RAID 6 the write performance drops 10MB/s while read performance drops 7MB/s.

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