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 500gb: With up to 500GB 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, 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 and 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. As a technology leader, we ensure that our products continue to deliver superior performance that you can rely on.