The iomega REV DISK is a removable hard disk designed for use with both PC and Mac computers. With a storage capacity of 120GB, this long-life unit is perfect for those in need of additional storage space on their desktop or laptop. The unit is easy to install and remove, making it convenient for users who require flexibility in their storage solutions. With the trusted brand of Iomega, users can be confident in the reliability and performance of this storage device.