FG

Can I set up a RAID 5 with a bunch of drives of different sizes?

Fresh3 days ago
Mar 15, 2026124217 views
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Problem

I currently have 3 1TB drives, a couple 500GB ones and some 750GB ones. Can I put them all in a RAID 5 configuration or do they need to be of same size?

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Fix for: Can I set up a RAID 5 with a bunch of drives of different sizes?

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There are a couple of methods to do this. 1) Use every drive as a separate node in the RAID-5 array. Only 500GB is used in every disk, the other space is wasted. This is typically the only option in a hardware raid controller. 2) Use a software RAID…

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