I would like to replace the Promise PDC40718 card in my self-built NAS. It runs ZFS on Archlinux. Is this Digitus a good replacement? With the Promise, the bandwidth is limited to 30MB/sec when I do a ZFS scrub, for example.

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The card runs under Linux. But I could only get a single one to work. The parallel connection did not work. 
Speeds of the disks in the benchmark, was similar to the board controllers.

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Sorry. Unfortunately, you can't remove questions here. Dear digitec: please remove question, thank you

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I would like to replace the Promise PDC40718 card in my self-built NAS. It runs ZFS on Archlinux. Is this Digitus a good replacement? With the Promise, the bandwidth is limited to 30MB/sec when I do a ZFS scrub, for example.