Description Ports (total) Internal ports (SATA) Internal ports (SAS) Internal ports (NVMe) Cache Raid-level RAID-level notes Max. drives per array Scalability (SAS/SATA) Bus Technology Cache Protection option internal connectors
Supermicro AOC-SLG3-2NM2 NVMe M.2 RAID controller 2x internal 0 0 2   0, 1   2 2 SAS/SATA PCIe 3.0 x8 SATA (6Gb/s), NVMe (12 Gb/s) not possible  
Broadcom MegaRAID 9540-2M2 SATA-NVMe M.2 RAID controller 2x internal       0 kB 0, 1 Hardware-Raid     PCIe x8 SATA (6Gb/s), NVMe (12 Gb/s)   2x M.2