The Toshiba MQ01ABD100 1TB SATA III 5400 RPM 2.5" Internal HDD is a reliable and high-capacity hard drive designed for laptops. With a storage capacity of 1TB and a rotation speed of 5400 RPM, this HDD offers fast read speeds of up to 500MB/s. It features a SATA II interface, 8MB cache, and is ideal for use as an internal laptop drive. The compact 2.5" form factor makes it compatible with a wide range of laptop models, providing ample storage space for all your data needs.