August 1, 20178 yr Is there a noticeable difference in performance between the two types? i have a a couple of 3TB, 2.5 in 5400 rpm drive that I want to use for a new install but not sure if performance would take a hit. Thoughts?
August 1, 20178 yr 5400rpm drives are very commonly used with unRAID. Are the 2.5" drives laptop drives or enterprise SAS drives?
August 1, 20178 yr Community Expert With regard to your question in general about performance. Yes, performance will take a hit but mostly in the things like parity checks, data rebuilds, raw read and write speeds. But usually these hits are not apparent in the real world side of things where the array is serving up files to a user. (I assume that you are not going to using unRAID as a transactional database server with tens of users reading and writing to the database!) EDIT: And the performance hit is dependent on more factors than just the rotation speed of the disks. You could find some 5400rpm disks that are faster than some 7200 rpm disks. Edited August 1, 20178 yr by Frank1940
August 1, 20178 yr Author They are just laptop disks and this is just for home use, serving files, running backups, etc. I have the server running some vms but they reside on a cache ssd. Seagate 3TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" Laptop Internal Hard Drive ST3000LM024 http://www.newegg.com/Product/Product.aspx?Item=22-179-106
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