It’s popular in Dell PowerEdge, HPE ProLiant, or Supermicro servers that have SAS/SATA slots but lack native M.2 support.
❌ – Most SAS M8 adapters only bridge SATA M.2 to SAS; you won’t get NVMe performance. ❌ No SAS drive support – The M.2 slot is for SATA SSDs only. You cannot plug an actual SAS SSD into it. ❌ Requires SAS controller – Must have a SAS HBA or RAID card that supports SATA drives in SAS slots. ❌ Boot support varies – Some servers won’t boot from M.2 through a SAS interposer; check your server’s compatibility. ❌ Heat dissipation – M.2 drives can get hot; the adapter often lacks active cooling, so high-write workloads may cause throttling. sas m8