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Drobo 5N2 Five-Bay NAS Review

By: Tyler Bernath | SOHO NAS/DAS in Storage | Posted: May 16, 2017 3:35 pm
TweakTown Rating: 90%Manufacturer: Drobo

Drobo 5N2 Performance


HD Video Play - 720p HD stream from Windows Media Player, 256kB reads

2HD Video Play - 2x playback

4HD Video Play - 4x playback

HD Video Record - 720p HD stream, 256kB writes

File Copy from NAS - 4GB file copy, 64kB reads

File Copy to NAS - 64kB writes


The Drobo 5N2 is not directly comparable to any other NAS I have tested due to the lack of iSCSI. In my conventional testing, I would use iSCSI to achieve the highest levels of performance from the appliance or the Drobo I used a mapped network drive.





Starting things off we have Intel NASPT, a staple of NAS testing for most. As you can see, I did test both redundancy modes and found very little performance hit to be taken. At the peak, this solution could hit 114 MB/s in playback with the lowest performance coming from File Copy to the NAS at 52 MB/s.




ATTO Disk Benchmark was up next and it gives us an idea of the sequential performance of the NAS. At the peak, we are seeing 118 MB/s read at 128K and write performance was steady at 117 MB/s from 256K through 1M.




NAS Performance Tester simply throws single large file sizes at the NAS to test performance with a large amount of data. As you can see above, read performance starts off a touch under 100 MB/s but quickly takes off reaching a peak of 114 MB/s. Write performance from the start is at 115 MB/s and hold that throughout the test.




Looking at dual redundancy, we have similar performance. Read start off at 87 MB/s reaching a peak of 112 MB/s while write starts at 117 MB/s and holds.




Last, we have a couple of charts for CrystalDiskMark. Read performance at QD1 hovers around 110 MB/s read and 93 MB/s write while QD32 increases that to 118 MB/s read and 117.5 MB/s write.




Dual redundancy doesn't affect the 5N2 much at all, results here were similar at 117 MB/s read and write.

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