The Toshiba 320GB 5400RPM SATA 2.5 HDD is a reliable and high-performance internal laptop drive that offers a storage capacity of 320GB. With a rotation speed of 5400 RPM and SATA II interface, this hard drive provides fast read speeds of up to 500MB/s. The low noise level feature ensures a quiet and efficient operation, making it suitable for use in laptops. Additionally, the drive is designed with 8 MB of cache memory, further enhancing its performance and responsiveness. This tested and working hard drive is a great choice for upgrading or replacing your current laptop storage device.