Cheap NVME drives. And to be fair, 2 of 3 were only suspicious for having a hardware problem so I replaced with a larger drive (and was super nice to have such

Cheap NVME drives. And to be fair, 2 of 3 were only suspicious for having a hardware problem so I replaced with a larger drive (and was super nice to have such a straightforward was to expand the size as compared to ZFS).