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- Description
- Specifications
Dell part number 89D42 carries the Toshiba AL14SEB120N, the 1.2TB standard 512n drive of the AL14SEB enterprise performance line. The line steps down through 900, 600, 450 and 300 GB, and it targets mid-range volume servers, hybrid and mainstream storage arrays, blade and rack servers, edge servers and content delivery infrastructure.
A 10,500 rpm spindle keeps average latency at 2.86 ms, with a 128 MiB buffer in front of the media. The SAS-3.0 interface is dual-port and links at 12.0 Gbit/s, and sustained transfer for 512n models is 215 MB/s. Both host and disk sides use fixed 512 to 528 byte blocks.
MTTF is 2,000,000 hours, and the error rate is 10 errors per 10^17 bits read. Supply rails are 5 V and 12 V within 5 percent, and low-power idle is 4.0 W typical. Operating limits cover 5 to 55 C and 5 to 90 percent humidity without condensation. The 2.5 inch body is 15 mm by 69.85 mm by 100.45 mm and weighs up to 230 g.
The erase-option version is the 3K30N, and Dell hard drives covers more capacities.
| 89D42 Specs | |
| Dell part number | 89D42 |
| Drive model | Toshiba AL14SEB120N |
| Capacity | 1.2 TB, 512n |
| Form factor | 2.5 inch, 15 mm |
| Interface | dual-port SAS-3.0, 12.0 Gbit/s |
| Rotation speed | 10,500 rpm |
| Average latency | 2.86 ms |
| Buffer | 128 MiB |
| Sustained transfer | 215 MB/s |
| Low-power idle | 4.0 W typical |
| Unrecoverable errors | 10 per 10^17 bits read |
| MTTF | 2,000,000 hours |