| | USDT SFF | CMT |
Hard Drives | 80-GB SATA 1.5-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart III) | X | |
| 80-GB SATA 1.5-Gb/s Hard Drive (8MB Cache, 5400 RPM, NCQ, Smart III) | X | |
| 160-GB SATA 1.5-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart III) | X | |
| 80-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) | X | X |
| 160-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) | X | X |
| 250-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart IV) | X | X |
| 500-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 7200 RPM, NCQ, Smart IV) | X | X |
| 80-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, NCQ, Smart III) | X | X |
| 160-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, NCQ, Smart III) | X | X |
| 3.5” Removable 80-GB SATA 3.0 Gb/s Hard Drive (8MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| 3.5” Removable 160-GB SATA 3.0 Gb/s Hard Drive (8MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| 3.5” Removable 250-GB SATA 3.0 Gb/s Hard Drive (8MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| RAID 80-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart | X | X |
| IV) | | |
| RAID 160-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart | X | X |
| IV) | | |
| RAID 250-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, NCQ, Smart | X | X |
| IV) | | |
| 2nd hard drive, 80-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| 2nd hard drive, 160-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| 2nd hard drive, 250-GB SATA 3.0-Gb/s Hard Drive (8MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| 2nd hard drive, 500-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 7200 RPM, | X | X |
| NCQ, Smart IV) | | |
| 2nd hard drive, 80-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, | | X |
| NCQ, Smart III) | | |
| 2nd hard drive, 160-GB SATA 3.0-Gb/s Hard Drive (16MB Cache, 10,000 RPM, | | X |
| NCQ, Smart III) | | |