QNAP TS-451D2-4G 4-bay NAS Review

The AES-NI hardware encryption engine in the Intel Celeron J4025 does a very good job of negating the effects of dealing with encrypted data. Best performance came with the drives built-in a RAID 5 array dropping just 6MB/s when writing encrypted data to the NAS and reading it back. In a RAID 6 array, the drive drops 14MB/s when writing the encrypted data but just 4MB/s when reading the data.

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