Ports (total) 4x internal Internal ports (SATA) 4 Internal ports (SAS) 4 Internal ports (NVMe) 0 Cache 1 GB Raid-level 0, 1, 10, 5, 50, 6, 60, JBOD RAID-level notes Hardware-Raid Max. drives per array 32 Scalability (SAS/SATA) 128 SAS/SATA Bus PCIe 3.0 x8 Technology SATA (6Gb/s), SAS-3 (12Gb/s) Cache Protection option CacheVault (optional) internal connectors 1x SFF-8643