i'm so confused I was thinking of a post I replied to earlier because I came across something related but can't find it now
ah.. found my reply but the original was deleted so
anyways here's some thing for having multiple sata cards with a pi compute module (that has 1 PCIe slot)https://www.jeffgeerling.com/blog/2020/building-fastest-raspberry-pi-nas-sata-raid
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