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HP LTO-4 Ultrium 1840 Tape Drive - Overview

Product description

The family of HP Ultrium tape drives is HP's premier line of backup devices. With ultimate reliability and ease of use in mind, even at 100% duty cycles, HP's rugged design builds on superior LTO technology and adds advanced features like hardware data encryption to create a new level of data protection.

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Product features

Feature
Description
Models
  • EH853B (SCSI internal)

  • EH854B (SCSI external)

  • EH860B (SAS internal)

  • EH861B (SAS external)

Capacity
Native
800GB
Compressed (assumes 2:1 data compression)
1.6TB
Buffer size
128MB
Performance
Native data transfer rate
  • 120 MB/s with LTO-4 media

  • 80 MB/s with LTO-3 media

  • 35.6 MB/s with LTO-2 media

Data transfer rate, compressed (assumes 2:1 data compression)
  • 240 MB/s with LTO-4 media

  • 160 MB/s with LTO-3 media

  • 71.2 MB/s with LTO-2 media

Burst transfer rate
320 MB/s (Ultra320 SCSI)
Data rate matching range
40 - 120 MB/s
Data access time (from BOT)
  • 46 s (LTO-2 media)

  • 52 s (LTO-3 media)

  • 62 s (LTO-4 media)

Rewind time from EOT
  • < 124 s for LTO-4 media

  • < 102 s for LTO-3 media

  • < 92 s for LTO-2 media

Rewind tape speed
7 m/s for (LTO-3 and LTO-2 media)
Average load time
< 19 s (Rewriteable), 22 s (WORM-initialized)
Average unload time
< 19 s (Rewriteable), 22 s (WORM-initialized)
Security
Encryption
AES 256-bit
WORM media support
LTO-4 media
Reliability
MTBF
250,000 hrs at 100% duty cycle
Rewriteable (RW) media compatibility
Read
  • LTO Ultrium 4

  • LTO Ultrium 3

  • LTO Ultrium 2

Write
  • LTO Ultrium 4

  • LTO Ultrium 3 (unencrypted)

WORM media compatibility
Read
  • LTO Ultrium 4 WORM

  • LTO Ultrium 3 WORM

Write
  • LTO Ultrium 4 WORM

  • LTO Ultrium 3 WORM

Interface
Interface type
Ultra320 SCSI (LVDS)
SCSI connector
  • Internal: 68-pin LVDS

  • External: 68-pin High Definition (HD) LVDS

  • Array module: 80-pin SCA (SCSI and power)

  • Rack-mount: 68-pin High Definition (HD) LVDS

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Software overview

Feature
Description
Software in the box1
HP StorageWorks Data Protector Express Single Server Edition Backup and Recovery Software
Operating System (OS) support
  • Microsoft Windows

  • HP-UX

  • Tru64

  • Red Hat Linux

  • SUSE Linux

  • IBM-AIX

  • Sun Solaris

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Links to product specifications and warranty information

Specifications:

Click here to view HP LTO-4 Ultrium 1840 Tape Drive specifications page .

Warranty information:

Click here to view warranty information .

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