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- Description
- Specifications
The EH957B is the HPE StoreEver LTO-5 Ultrium 3000 SAS Internal Tape Drive, an internal LTO-5 tape drive with a 6 Gb/s dual port SAS interface and a mini-SAS SFF8087 connector. Capacity is 1.5TB native and 3TB with 2:1 compression, and the drive has a 256MB buffer.
Sustained transfer rate is 140 MB/s native and 280 MB/s compressed, with a burst rate of 600 MB/s on 6 Gb/s SAS. Data rate matching covers 47 to 140 MB/s native. The drive reads and writes LTO Ultrium 5 and LTO Ultrium 4 media and reads LTO Ultrium 3 media.
Typical data access time from the beginning of tape is 52 seconds for a 1.5TB tape, rewind from the end of tape takes 96 seconds, and unload takes 19 seconds. MTBF is 250,000 hours at 100% duty cycle. The ProLiant ML350 Gen9 supports the EH957B as an internal tape drive option.
Matching media is the C7975A LTO-5 Ultrium 3TB RW data cartridge. The next generation internal drive is the EH969A LTO-6 Ultrium 6250 internal tape drive, and more drives are in HPE tape drives.
| Part number | EH957B |
| Name | HPE StoreEver LTO-5 Ultrium 3000 SAS Internal Tape Drive |
| Capacity | 1.5TB native; 3TB compressed (2:1) |
| Interface | 6 Gb/s dual port SAS, internal mini-SAS SFF8087 |
| Buffer | 256MB |
| Sustained transfer rate | 140 MB/s native; 280 MB/s compressed |
| Burst transfer rate | 600 MB/s (6 Gb/s SAS) |
| Media | LTO Ultrium 5 and 4 read/write; LTO Ultrium 3 read only |
| Data access time | 52 s typical (1.5TB tape, from BOT) |
| MTBF | 250,000 hours at 100% duty cycle |
| Compatible with | HPE ProLiant ML350 Gen9 |