| Model | Controller | Host Connectivity | Drive Interface | Drive Bays |
| SS-8802E | 1 | 12 Gbps SAS | SAS / SATA ll | 24 |
| SS-6602E | 1 | 12 Gbps SAS | SAS / SATA ll | 16 |
| SS-4502E | 1 | 12 Gbps SAS | SAS / SATA ll | 12 |
| Model | Controller | Host Connectivity | Drive Interface | Drive Bays |
| SS-8802R | 2 | 12 Gbps SAS | SAS / SATA ll | 24 |
| SS-6602R | 2 | 12 Gbps SAS | SAS / SATA ll | 16 |
| SS-4502R | 2 | 12 Gbps SAS | SAS / SATA ll | 12 |