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Half-height LTO Ultrium 3 tape blade in silver metal housing with SAS connector

HP

HP AJ401A 800GB LTO Ultrium 3 SAS backup drive

SKU CH-PANC-R83W1 MPN AJ401A

Half-height SAS tape blade for HP BladeSystem c-Class enclosures delivering 400GB native and 800GB compressed capacity with 64MB buffer

  • Interface typeSAS
  • Media formatLTO Ultrium 3
  • Compressed capacity800 GB
  • Native capacity400 GB
  • Buffer64 MB
  • Compressed sustained transfer rate432 GB/hr
  • 800 GB compressed capacity for large backup sets
  • 400 GB native capacity without compression overhead
  • SAS interface for direct server-blade connectivity
  • 64 MB buffer smooths sustained 432 GB/hr transfers
  • Half-height blade fits HP BladeSystem c-Class enclosures

Integrated backup for c-Class blades

The HP AJ401A is an LTO Ultrium 3 tape blade designed for HP BladeSystem c-Class enclosures. It delivers direct backup for adjacent server blades and network backup for all enclosure data. The half-height form factor fits standard blade slots. It targets administrators needing integrated disaster recovery and archiving.

SAS interface with fixed throughput

The drive connects via SAS and provides a 64MB buffer. Native capacity is 400GB per cartridge, rising to 800GB with compression. Compressed sustained transfer reaches 432GB per hour. These figures set the practical limit for backup windows and media planning.

Blade mounting simplifies cabling

The half-height blade installs directly in the enclosure, removing external cabling for the adjacent server. SAS connectivity handles data and control paths. The design suits environments where rack space and cable management are priorities. It is not suited for standalone server or desktop attachment.

How it compares

Measured against everything we stock in Backup Hard Drives, at today’s prices. Recalculated every night.

Price $2,409.99
Pricier than about 86% of the 74 comparable items (median $336.99).

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Specifications

Product
Brand nameHP
Model nameAJ401A
Ports & slots
Interface typeSAS
Size & build
Shipping weight1.81 kg
Package size254 × 203 × 102 mm
More details
Media formatLTO Ultrium 3
Compressed capacity800 GB
Native capacity400 GB
Buffer64 MB
Compressed sustained transfer rate432 GB/hr

Questions about this item

What is the difference between the 400GB native and 800GB compressed capacities on this LTO Ultrium 3 drive?

Native capacity is 400GB per cartridge; compressed capacity reaches 800GB assuming a 2:1 compression ratio on suitable data.

What does the 432GB/hr compressed transfer rate mean for backup windows?

The drive sustains up to 432GB per hour with compressible data, so an 800GB cartridge can be written in under two hours under optimal conditions.

How does the SAS interface affect where this tape blade can be installed?

The SAS connection is designed for HP BladeSystem c-Class enclosures, allowing direct attachment to an adjacent server blade or shared access across the enclosure.

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