Seagate Momentus 5400 640GB 2.5" SATA 3.0Gb/s Internal Notebook Hard Drive -Bare Drive

Seagate Momentus hard drives provide the optimum combination of performance, capacity and mobility in a 2.5-inch form factor. They are also a good fit in certain non-PC applications, including external storage, copiers/printers and entry-level blade servers. Cache: 8MB Average Seek Time: 11ms Average Latency: 5.5ms Parts: 3 years limited Labor: 3 years limited