The rugged SanDisk Extreme Portable SSD delivers high-speed transfers with up to 550MB/s read speeds. This makes it perfect for saving and editing hi-res photos and videos. With an IP55 rating,it also stands up to rain,splashes,spills and dust. Product Features 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. 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. What’s in the box SanDisk Extreme Portable - solid state drive USB-C cable USB-C to USB-A adapter