SCSI to SATA II RAID Single Controller Series
| Model | Controller No. | Host No. | Drive Bays | Drive Interface | Supported RAID Levels |
| SA-6640S | 1 | 2 | 16 | SATA II (3.0Gbps) | JBOD, 0, 1, 3, 5, 6, 10, 30, 50, 60, NRAID |
| SA-4540S | 1 | 2 | 12 | SATA II (3.0Gbps) | JBOD, 0, 1, 3, 5, 6, 10, 30, 50, TP, NRAID |
| SA-4340S | 1 | 2 | 8 | SATA II (3.0Gbps) | JBOD, 0, 1, 3, 5, 6, 10, 30, 50, TP, NRAID |
| SA-4240S | 1 | 1 | 6 | SATA II (3.0Gbps) | JBOD, 0, 1, 3, 5, 6, 10, 30, 50, TP, NRAID |