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- Description
- Specifications
881781-B21 is the HPE 12TB SAS 12G Business Critical 7.2K LFF low-profile (LP) Helium 512e hard drive, supplied as a Multi Vendor HDD. It is a 3.5-inch large form factor drive that spins at 7,200 rpm and links at up to 12 Gb/s over SAS.
HPE rates the drive at 235 MiB/s maximum sequential throughput from the outer-diameter media. Its 128 KiB random figures are 105 IOPs for reads, 115 IOPs at a 70% read
30% write mix and 125 IOPs at a 50/50 mix. Power draw is 6.3 W idle, 8.7 W under random read/write, 8.0 W for sequential reads and 8.7 W for sequential writes.
The low-profile carrier measures 1.028 in (26.1 mm) high, 4.15 in (105.5 mm) wide and 6.16 in (156.58 mm) deep, and HPE gives the operating range as 10 to 35 C (50 to 95 F). The spare drive is 882398-001, a 12TB SAS 3.5-inch LFF, 7,200 rpm, low-profile unit with High Endurance and Digitally Signed Firmware. HPE classes Business Critical drives as its midline tier for backup, archive and reference storage.
The 12TB SAS drive in a Smart Carrier, 881779-B21, carries the same 235 MiB/s and 6.3 W idle figures. More drives are in the HPE HDD category.
Related: HPE ProLiant DL20 parts
| Description | HPE 12TB SAS 12G Business Critical 7.2K LFF LP Helium 512e Multi Vendor HDD |
| Capacity | 12 TB |
| Interface | SAS, 12 Gb/s |
| Form factor | LFF (3.5 in), low-profile carrier |
| Rotational speed | 7,200 rpm |
| Format | 512e, helium drive |
| Max sequential throughput | 235 MiB/s |
| 128 KiB random IOPs (read / 70-30 / 50-50) | 105 / 115 / 125 |
| Power | idle / random R/W / seq read / seq write: 6.3 W / 8.7 W / 8.0 W / 8.7 W |
| Carrier size (H x W x D) | 1.028 x 4.15 x 6.16 in (26.1 x 105.5 x 156.58 mm) |
| Operating range | 10 to 35 C (50 to 95 F) |
| Spare part | 882398-001 |