Seagate Momentus 5400 ST9640320AS 640GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5″ Internal Notebook Hard Drive Bare Drive

**Seagate Momentus 5400 ST9640320AS 640GB 2.5″ Notebook Hard Drive**
A reliable, energy-efficient storage solution for laptops, offering **640GB capacity**—ideal for users needing ample space for documents, media, and applications. Features a **5400 RPM spindle speed** for balanced performance and power efficiency, paired with an **8MB cache** and **SATA 3.0Gb/s interface** for seamless compatibility with most systems. Its **2.5″ form factor** ensures easy integration into laptops or external enclosures. Built with Seagate’s trusted durability, this bare drive is perfect for upgrades, replacements, or budget-friendly storage expansion without sacrificing reliability. Combines affordability, robust storage, and low power consumption for everyday computing needs.