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Introduction

Congratulations!

You have purchased the finest, most reliable digital data storage (DDS) drive available. As the indus-
try leader, Certance has once again revolutionized storage with the Seagate© Model DDS-4 and
Model DAT 72 drives. The DAT 72 and DDS-4 DDS drives represent Certance’s commitment to engi-
neering reliable and durable tape drive products that implement leading-edge technology.
Designed for computer environments that require high-performance, high-capacity data storage, the
DDS-4 and DAT 72 drives are based on a 3.5-inch mechanism and available as external and inter-
nal tape drives (see Figure 1 on page 11). The drives combine established Digital Audio Tape (DAT)
technology, high-density recording, and hardware data-compression capabilities with Certance’s
proven computer-grade design to provide unmatched reliability and performance characteristics
among DDS products.
Internal Drive External Drive
FIGURE 1. Drives Covered in This User’s Guide