The Seagate 100 GB Portable External Hard Drive ST9100801U2-RK is a compact 2.5-inch external drive suitable for use with laptops, PCs, and Mac computers. With a storage capacity of 100 GB, this portable hard drive is perfect for storing and accessing large amounts of data on the go. The low noise level and mini USB interface make it a quiet and convenient option for expanding the storage capacity of your device. Made by the trusted brand Seagate, this external hard drive is a reliable and efficient solution for your storage needs.