Part of the Expansion Desktop collection from Seagate Massive storage capacity of 20TB provides more than enough backup space for your movies, games, photos, documents, and other files, saving your computer's internal storage SuperSpeed USB-C interface ensures easy setup and enables lightning-fast data transfers, so you can spend less time waiting for sharing gigantic files from your computer Supports drag and drop file saving for added convenience Seagate's Rescue Data Recovery Services are included to help recover your valuable files from any accidental data loss Compatible with Windows 10 or higher and Mac OS X10.12 or higher operating systems