The Hitachi Travelstar Z7K320 (HTS723232A7A364) is a 2.5-inch SATA hard drive rated for 320GB capacity with 7200RPM spindle speed and 16MB cache buffer. SATA 3GB/s interface supports sequential transfer rates typical of 7200RPM 2.5-inch drives. Designed for portable applications including external enclosures, mobile workstations, and ruggedized storage solutions where compact form factor and moderate performance are required. Compatible with standard SATA controllers and external USB/eSATA adapters. Typical use cases include backup, archival, and supplemental storage in mobile and field environments.
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