The Seagate Momentus 5400.6 laptop hard drive offers the best combination of high performance, capacity and mobility in a 2.5-inch drive.

Momentus 7200.4 laptop hard drives deliver industry leading 7200-RPM performance with environmentally responsible low power consumption. The drives are available with G-Force Protection technology for added robustness and durability. The technology senses when the drive is in free-fall and quickly protects against shock damage by moving the heads off the disk. With capacities from 160GB to 500GB, 16 MB cache and 3 Gb/s SATA with NCQ, the Momentus 7200.4 hard drive is perfect for performance and mainstream laptops, workstations and smallform-factor desktop systems. Seagate Technology, a leader in storage, is dedicated to building products that meet the needs of the consumer and integrator, allowing them to build solutions that are state of the art, maximizing useful system life. ... Less

The Seagate 7200.4 ST9500423AS, a 2.5-inch 7,200 rpm hard drive, with a storage capacity of 500 GB, lets you store all your valuable data. This Seagate internal HDD is suitable for use with laptops, workstations, and gaming systems. The SATA interface facilitates data transfer at speeds of 3 Gbps, helping this Seagate internal HDD meet the enhanced backup and archiving demands of businesses. The self-encrypting drive (SED) of the Seagate 7200.4 ST9500423AS ensures high-grade security to your stored data. The SmartAlign technology dynamically controls read-modify-write conditions in this 7,200 rpm hard drive without a host computer intervention, ensuring better operational performance.