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Synology DiskStation DS920+ 4-bay NAS Review

The PCMark 10 Data Drive Benchmark has been designed to test drives that are used for storing files rather than applications. You can also use this test with NAS drives, USB sticks, memory cards, and other external storage devices.
The Data Drive Benchmark uses 3 traces, running 3 passes with each trace.

Trace 1. Copying 339 JPEG files, 2.37 GB in total, in to the target drive (write test).
Trace 2. Making a copy of the JPEG files (read-write test).
Trace 3. Copying the JPEG files to another drive (read test)

Here we show the total bandwidth performance for each of the individual traces.


The DS920+ averages 58.84MB/s for total bandwidth across the five tested RAID arrays in PCMark’s Data Drive Benchmark.


The DS920+ displays strong performance for all three test traces across the tested arrays although the performance does drop back slightly when in RAID 10.

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