WD Travelstar Z7K500 HTS725032A7E630 - Hard drive - 320 GB - internal - 2.5in - 7200 rpm - buffer: 32 MB

Data security option. Travelstar Z7K500 is the self-encrypting drive (SED) to feature Hitachis Bulk Data Encryption (BDE). The SED model encrypts data in real time using protected keys, providing users the highest level of data protection available. It also speeds and simplifies drive re-purposing. By deleting the encryption key, the data on the drive is rendered unreadable, thereby eliminating the need for time-consuming data-overwrite. High-performance, single-disk HDD for mobile applications. Travelstar Z7K500 is the 7200 rpm 2.5-inch hard drive from Hitachi, leveraging advanced format, which increases the physical sector size to improve drive capacities and error correction capabilities. Travelstar Z7K500 is the 2.5-inch HDD with a 6 Gb/s SATA interface and delivers the highest 7200 rpm performance. The Z7K500 carries the EcoTrac classification due to its low-power consumption and eco-friendly, halogen-free production. Travelstar Z7K500 balances speed, power-efficiency and design flexibility to meet the needs of mobile applications. Enhanced Availability (EA) - for 24 x 7 access to data. Hitachi provides enhanced availability models of the Travelstar Z7K500 that allow 24 x 7 access to data to support applications that require round-the-clock operation. The thinner profile allows for additional cooling, especially important in dense blade server designs. The Z7K500 provides high capacity, durability and quiet acoustics on a proven platform for quality and reliability. EA models support the stringent demands of "always-on" applications in lower transaction environments.