I think you should be fine with 64GB (4x16GB ECC), I have 8x10TB RAID-Z2 and it ... | Hacker News

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		execution 14 days ago \| parent \| context \| favorite \| on: DIY NAS: 2026 Edition I think you should be fine with 64GB (4x16GB ECC), I have 8x10TB RAID-Z2 and it uses around 34GB.

cm2187 14 days ago [–]

I believe the default is that ZFS uses 50% of your RAM for caching

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