The SanDisk top speed ™ mobile SSD delivers high performance transfers with reading speeds up to 550MB/s**, allowing you to move files quickly. Capacity is up to 2TB With up to 2TB of high-speed storage, the SanDisk max speed ™ mobile solid-state drive is ideal for storing high-resolution photos, video, and audio files for a variety of creative activities. The shape design is delicate and small, only pocket size. Good things are not big! Although smaller than a smartphone, the SanDisk ultimate speed ™ mobile solid-state drive delivers superior performance and capacity.