The choice seems to be between AHCI and sorta-NVMe, with the latter enabled in 'RAID' mode. Sure, real/standards-conforming NVMe would be better -- and wouldn'

The choice seems to be between AHCI and sorta-NVMe, with the latter enabled in 'RAID' mode. Sure, real/standards-conforming NVMe would be better -- and wouldn't require driver shenanigans in either Windows or Linux -- but there should be a performance advantage to 'RAID' mode in this case.