Sony sdx-d400c

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Part 1.  Introduction

The SDX-D500C is an external AIT drive unit that uses data cartridges
conforming to the AIT-2 format.  The SDX-D400C is an external AIT drive
unit that uses data cartridges conforming to the AIT-1 format.  The SDX-
D500C supports AIT-1 and AIT-2 formats.  The SDX-D400C supports only
AIT-1 format.

The AIT Drive Unit SDX-D500C has the following features:
• The Advanced Intelligent Tape format provides a huge data storage capacity

on AIT-1/AIT-2 data cartridges.

• Read After Write Function and third-level error correction code guarantee

high data reliability.

• Data compression provides 100 gigabytes of storage on 230 m tape-length

cartridge.

*1

The native capacity is 50 gigabytes of storage on 230 m tape-length
cartridge.

• Stored data are automatically checked for compression.
• Ultra Wide LVD/SE SCSI interface is fully supported for host computer

access.

• Read/Write operation is available with AIT-1 and AIT-2 formats.

The AIT Drive Unit SDX-D400C has the following features:
• The Advanced Intelligent Tape format provides a huge data storage capacity

on AIT-1 data cartridges.

• Read After Write Function and third-level error correction code guarantee

high data reliability.

• Data compression provides 70 gigabytes of storage on 230 m tape-length

cartridge.

*1

The native capacity is 35 gigabytes of storage on 230 m tape-length
cartridge.

• Stored data are automatically checked for compression.
• Ultra Wide LVD/SE SCSI interface is fully supported for host computer

access.

• Read/Write operation is available with AIT-1 format.

*1

This is assuming 2 : 1 compression ratio.
The degree of data compression attained while recording data varies according to system
environment and data type.