Increase your notebook's storage capacity with this Samsung SpinPoint M8 Serial ATA 2.5-inch hard drive! With 640 GB of storage space, you'll have plenty of room for your music, video and data files. In addition, this notebook hard drive features a 5400 RPM spindle speed and an 8 MB buffer for added efficiency. With 300 MB/s data transfer rate, the ST640LM001 delivers lightning fast transfer speeds! Order your Samsung SpinPoint M8 640 GB SATA/300 2.5-inch hard drive today!