unmesh Posted June 28, 2021 Share #1 Posted June 28, 2021 I'm exploring various ideas for a NAS with a low physical and power footprint that could be placed remotely and one thought is to use a small 1L desktop with a 2.5" HDD. The largest one is 5TB but SMR and I'm hoping someone can share their experience with using SMR drives for backups of PCs or MacBooks which should present a sequential write workload. Are only random write problematic for SMR HDDs? Also, some of these drives are reported to support TRIM. I had only heard of TRIM in the context of SSDs which DSM only supports as caches, so would DSM support TRIM on a HDD and would that make a difference in this use case? Thanks P.S.: It is not really a hardware mod question but I wasn't sure where to post it Quote Link to comment Share on other sites More sharing options...
masters Posted July 17, 2021 Share #2 Posted July 17, 2021 They work just fine but they are simply slower, 150mb/s max by drive (350-500mb/s max raid), reshapping it's 20-110mb/s) Quote Link to comment Share on other sites More sharing options...
masters Posted July 17, 2021 Share #3 Posted July 17, 2021 (edited) TRIM support is needed on those drives to improve performance over time, you can read the following link for more details: https://support-en.wd.com/app/answers/detail/a_id/25185 Edited July 17, 2021 by masters Quote Link to comment Share on other sites More sharing options...
unmesh Posted July 21, 2021 Author Share #4 Posted July 21, 2021 @masters Thanks for the info. Though I would "shuck" the USB drive and connect to it using SATA whereas the WD article talks about connections over USB Quote Link to comment Share on other sites More sharing options...
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