The Western Digital Notebook Hard Drive Blue 160GB is a reliable internal hard drive designed for use with PCs. With a storage capacity of 160GB and a rotation speed of 5400 RPM, this HDD offers fast data transfer rates and ample storage space for your files and programs. The drive features an external data transfer rate of 100 Mbps and a seek time of 8.9ms, making it efficient for both reading and writing data. Additionally, it comes with mounting screws and a jumper included, making installation easy and convenient. Ideal for those looking for a high-performance hard drive for their notebook or desktop computer.