The HP StorageWorks SDLT 320 tape drive is very useful for existing DLT and SDLT-based environments, particularly for backward-read compatibility.

Figure 3. HP StorageWorks SDLT 320 Tape Drive

The following table shows the major differences:

Table 1. Tape Drive Characteristics

Specification

HP StorageWorks

HP StorageWorks

HP StorageWorks

 

Ultrium 960

Ultrium 460

SDLT 320

 

 

 

 

Capacity (native)

400 GB

200 GB

160 GB

Transfer rate (native)

Up to 80 MB/s

Up to 30 MB/s

Up to 16 MB/s

Data rate matching

27 – 80 MB/s

10 – 30 MB/s

N/A

Host interfaces

Ultra320, 2/4 Gigabit

Ultra160, 2 Gigabit FC

Ultra2

 

FC

 

 

Head channels

16

8

16

Number of tracks

704

512

448

Media length

680 m

609 m

560 m

WORM media support

Yes

No

No

Media compatibility

 

 

 

Read

Ultrium Gen. 1, 2, 3

Ultrium Gen. 1, 2

DLTtape IV

Write

Ultrium Gen. 2, 3

Ultrium Gen. 1, 2

Super DLTtape , SDLT

 

 

 

220

 

 

 

 

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