This removable, external SSD allows data to be written and erased as many times as is required ,Speed up the flow. Move files faster. , ,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