Up to 550MB/s read speeds With high-performance transfers with up to 550MB/s read speeds, the SanDisk Extreme Portable SSD lets you offload files in a snap. Capacities of up to 2TBWith up to 2TB6 of high-speed storage for high-res photos, videos and sound files, the SanDisk Extreme Portable SSD is perfect for all your creative pursuits. Works with Windows and Mac, USB-C or USB-A Designed to work with both Windows and Mac, & XBOX the SanDisk Extreme Portable SSD is equipped with a USB 3.1 Type-C connector and also includes a USB Type-C to Type-C cable & a Type-C to Type-A adapter, meaning it will work with the PCs and Macs of today, tomorrow and yesterday. Compact, pocket-sized design Good things come in small sizes! The SanDisk Extreme Portable SSD delivers high-performance and capacity in a drive that’s smaller than a smartphone. Built by a technology leader More than 25 years ago the SanDisk brand created the world’s first flash-based solid-state drive and that was just the beginning. And Scandisk is a  technology leader, they ensure that the products continue to deliver superior performance that you can rely on.