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Single new DDS-4 data tape cartridge in light plastic casing

IBM

IBM 59H4456 DDS-4 20/40GB backup media

SKU CH-JXNS-FM7ZA MPN 59H4456

DDS-4 data tape cartridge stores 20 GB native or 40 GB compressed capacity per pack

  • Media TypeDDS-4
  • Capacity20/40GB
  • Quantity1 Pack
  • 20/40GB native/compressed capacity for flexible backup planning
  • DDS-4 format fits standard 4mm tape drives
  • 150-metre tape length stores more data per cartridge
  • Single-pack quantity lets you buy exactly what you need
  • Brand-new media ensures reliable first-write performance

DDS-4 tape cartridge

This DDS-4 cartridge provides 20 GB native or 40 GB compressed capacity for sequential backup and archive tasks. It fits drives that support the DDS-4 format and ships as a single new tape. The 150 m tape length is suited to unattended overnight jobs on compatible libraries or standalone units.

Suitable for DDS-4 libraries

Organisations maintaining existing DDS-4 autoloaders or single-slot drives can use this media for daily incremental or weekly full backups. Sites that have migrated to LTO, disk or cloud targets will not benefit from this format. Buyers needing higher native capacity or faster throughput should evaluate newer tape generations.

Native 20 GB capacity

The decisive specification is the 20 GB native capacity, which doubles to 40 GB with hardware compression. If the backup set exceeds 20 GB uncompressed, multiple cartridges or a different media type will be required.

Highlights

  • 20/40GB native/compressed capacity for flexible backup planning
  • DDS-4 format fits standard 4mm tape drives
  • 150-metre tape length stores more data per cartridge
  • Single-pack quantity lets you buy exactly what you need
  • Brand-new media ensures reliable first-write performance

Specifications

BrandIBM
Model59H4456
Media TypeDDS-4
Capacity20/40GB
Quantity1 Pack
Shipping weight0.45 kg
Package size152 × 102 × 51 mm

Questions about this item

What drive format is required to use this DDS-4 20/40GB tape?

This media requires a DDS-4 compatible tape drive that supports 4 mm cartridges with 150 m tape length.

Can this 20/40GB cartridge be read in a DDS-3 drive I already own?

DDS-3 drives cannot read DDS-4 media; a DDS-4 or later drive is needed for the 20 GB native and 40 GB compressed capacity.

How do I verify the 20/40GB capacity is working after writing data?

Check the backup software log for a native size near 20 GB or a compressed size approaching 40 GB and confirm the verify pass completes without errors.

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