IBM DDS4 Tape Media (5 pcs) 20GB 71P9155 プリント

Storage capacity (uncompressed)

2.0GB

4.0GB

12GB

20GB

36GB

N/A

Cartridge type

DDS1

DDS2

DDS3

DDS4

DAT72

Cleaning Cartridge
(up to 

50 cleanings)

IBM each part number

21F8754

8191151

59H3465

59H4456

18P7912

21F8763

IBM 5 pack part number

71P9155

71P9158

Magnetic particle

MP

MP+

MP++

MP+++

MP++++

—

Base material

PET

Aramid

Aramid

Aramid

Aramid

—

Data transfer rate (KB/s)

183 – 233

360 –788

0.5 –1.5 MB/s*

0.5 –1.5 MB/s*

3 MB/s*

—

Bit error rate, error compensated

<10

-15

<10

-15

<10

-15

<10

-15

<10

-15

—

Minimum tape length (m)

90.0

120.0

125.0

150.0

170.0

—

Operating conditions

41–113°F (5 – 45°C); 20–80% RH** 

59–131°F (15– 55°C); 10–80% RH

Storage conditions

41–90°F (5 – 32°C); 40–60% RH**

-40–125°F (-40– 52°C); 5–80% RH

* Values are drive and data dependent.

** Maximum wet bulb temperature 79°F (26°C).

for cleaner 

operation and reduced head friction

tested to 

withstand over 2,000 passes against heads

for data-grade tapes 

IBM offers a complete line of quality data storage
products to support applications ranging from 
PC desktops to enterprise-wide mainframe libraries.
Some of the available products are:

• 3570 Magstar MP tape cartridges
• 3590E, 3590, 3490E and 3480 tape cartridges
• M/O optical discs and DVD-RAM Discs
• 4mm, 8mm and VXA data cartridges
• 1/4" (QIC) MLR/SLR data cartridges 
• DLTtape

™

IV and Super DLT data cartridges

• Cleaning cartridges in all popular formats

To order or get more information on any IBM 
data storage products call 1-888-IBM-MEDIA toll
free in the U.S. and Canada

For locations outside the U.S. and 
Canada, you can obtain more information 
at www.ibm.com/storage/media

Limited warranty includes Warranty Service only 
in those countries where IBM products are sold 
by IBM or IBM Business Partners (registration
required). For more information contact your 
IBM representative or reseller.

This warranty does NOT apply to failure of 
the IBM product resulting from misuse, abuse,
accident, neglect or mishandling, improperly adjust-
ed or maintained drives, incorrect 
environments, or wear from ordinary use.

Performance data contained herein was obtained 
in a controlled environment. Actual results that may
be obtained in other operating environments may
vary significantly. These values do not constitute 
a guarantee of performance.

IBM reserves the right to alter specifications 
and other product information without 
prior notice.

IBM is a registered trademark of International
Business Machines Corporation.

Other company, product, and service names 
may be trademarks or registered trademarks 
of their respective companies.

www.ibm.com/storage/media

© Copyright IBM Corporation 200

4

IBM Storage Subsystems Division
Removable Media Storage Solutions
9000 South Rita Road
Tucson, AZ 85744

Printed in the United States of America
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All Rights Reserved