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Rectangular dark cartridge labelled HPE C7977W LTO-7 WORM

HPE

HPE C7977W LTO-7 WORM backup media 6.25 TB native 15 TB compressed 315 MB/s native 750 MB/s compressed

SKU CH-X44Y-K3WX0 MPN C7977W

WORM tape cartridge stores 6.25 TB native and 15 TB compressed at up to 750 MB/s

  • 25 TB native capacity protects critical archives
  • 15 TB compressed capacity stores larger datasets
  • 315 MB/s native transfer rate speeds backup windows
  • 750 MB/s compressed transfer rate accelerates restores
  • 59 ft tape length enables high-capacity recording

LTO-7 WORM cartridge capacity

This HPE C7977W cartridge provides 6.25 TB native capacity and 15 TB compressed capacity for long-term data retention. The write-once format prevents accidental overwrites and supports regulatory compliance. It fits LTO-7 tape drives and libraries used in enterprise backup workflows.

Target users and limitations

Organisations needing immutable archives for legal hold or audit trails will match the WORM capability. Environments that require frequent rewrite cycles or random file access should consider disk or cloud alternatives. The cartridge is not suited for primary storage or high-frequency restore operations.

Native transfer rate decision

A maximum native data transfer rate of 315 MB/s determines the minimum backup window for large datasets. Compressed throughput reaches 750 MB/s when data is compressible. Verify that your LTO-7 drive and host bus adapter can sustain this rate to avoid bottlenecks.

Punti di forza

  • 25 TB native capacity protects critical archives
  • 15 TB compressed capacity stores larger datasets
  • 315 MB/s native transfer rate speeds backup windows
  • 750 MB/s compressed transfer rate accelerates restores
  • 59 ft tape length enables high-capacity recording

Caratteristiche tecniche

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Domande su questo articolo

What native transfer rate does the LTO-7 interface cap at on this cartridge?

The LTO-7 interface on this cartridge caps at a native transfer rate of 315 MB/s.

What are the physical dimensions of the C7977W cartridge for drive bay fit?

The cartridge measures 1.1 inches high, 4.4 inches wide and 4.5 inches deep.

How is the WORM cartridge initialised, and what step is often missed?

Insert the cartridge into an LTO-7 drive; the drive automatically recognises the WORM format and initialises it — users often forget to label the cartridge before writing.

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