Please click on the link below for more information on each model.
| Model | Drive bays | Drives supported | U320 SCSI Ports | Type |
| EP-3166-SS | 16 | SCSI | 2 | 3u Rackmount |
| EP-3166-SA3 | 16 | SATA | 2 | 3u Rackmount |
| SB-3163-SA | 16 | SATA | 2 | 3u Rackmount |
| EP-2126-SA3 | 12 | SATA | 2 | 2u Rackmount |
| SB-2123-SA | 12 | SATA | 2 | 2u Rackmount |
| EP-2806-SA3 | 8 | SATA | 2 | 2u Rackmount |
| SB-1403E-SA3-R | 4 | SATA | 2 | 1u Rackmount |
| EP-T803-SA3 | 8 | SATA | 2 | Desktop |
| DP-403E-SA3 | 4 | SATA | 2 | Desktop |
