IBM LTO Ultrium 4

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Chapter 1. Product description

This tape drive is a high-performance, high-capacity data-storage device that is

designed to back up and restore open systems applications. The drive can be

integrated into any supported external tape enclosure or directly into a supported

System x server. It is the fourth generation in the Ultrium series of products and is

available with a Serial Attached SCSI (SAS) interface.

The Customer Replaceable Unit (CRU) part numbers and the Option part numbers

for the IBM LTO Ultrium 4 Half High Tape Drive are shown in the following list:

Table 1. CRU and Option part numbers

Description CRU part number Option part number

IBM Internal Half High LTO Gen 4 SAS Tape Drive 46X5672 44E8895

IBM External Half High LTO Gen 4 SAS Drive, with US

line cord

95Y8007 3628L4X

IBM External Half High LTO Gen 4 SAS Drive, with no line

cord

95Y8007 3628N4X

SAS cable, internal 44E8878

Mini-SAS cable, external,3mx4plug 39R6532

US line cord, 3 ft, 10 A / 125 V 39M5081

Drive features

The drive offers the following features:

v Support for WORM (write once read many) on WORM cartridge types

v Native storage capacity of 800 GB per cartridge (1600 GB at 2:1 compression)

when using Ultrium 4 cartridges

v Native data transfer rate of up to 120 MB per second

v Burst data transfer rate of 300 MB per second for the SAS interface

v 256 MB read-and-write cache

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Figure 1. The IBM LTO Ultrium 4 Half High Tape Drive