The Western Digital WD Blue WD3200LPVX 320GB 2.5" SATA Hard Drive is a reliable and high-performance option for laptops. With a rotation speed of 5400RPM and a storage capacity of 320GB, this HDD offers fast read speeds of up to 500MB/s and a transfer rate of 6 Gb/s. Designed for internal use, this laptop hard drive is compatible with SATA III interfaces and has a cache of 8MB. As part of the WD Blue product line known for its quality and durability, this hard drive is a great choice for enhancing the storage capacity and performance of your laptop.