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Windows Server 2019 – designed for up to 4 petabytes in storage pool

The new Windows Server 2019 has a new maximum size per storage pool of 4 petabytes or 4,000 terabytes, which is 4X more than Windows Server 2016

With Windows Server 2016, you can pool up to 1 PB of drives into a single Storage Spaces Direct cluster. This is an immense amount of storage! But year after year, manufacturers find ways to make ever-larger drives, and some of you – especially for media, archival, and backup use cases – asked for more. We heard you, and that’s why Storage Spaces Direct in Windows Server 2019 can scale 4x larger!

The new maximum size per storage pool is 4 petabytes (PB), or 4,000 terabytes. All related capacity guidelines and/or limits are increasing as well: for example, Storage Spaces Direct in Windows Server 2019 supports twice as many volumes (64 instead of 32), each twice as large as before (64 TB instead of 32 TB). These are summarized in the table below.

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