Seagate ST9640423AS 640GB 5400 RPM 16MB Cache SATA 2.5″ Internal Notebook Hard Drive Bare Drive

The Seagate ST9640423AS delivers reliable 640GB storage capacity in a compact 2.5-inch form factor designed specifically for notebooks and laptops. Operating at 5400 RPM with 16MB cache buffer, this SATA drive provides efficient performance while maintaining low power consumption and reduced heat generation – ideal for mobile computing environments. The drive offers excellent value for users seeking to upgrade older laptops or replace failing drives, combining proven Seagate reliability with ample storage space for documents, media files, and applications. Its energy-efficient design extends battery life while the generous capacity accommodates modern software requirements without compromising system responsiveness.