The SANDISK 240GB Extreme 500 Portable SSD is an external drive that utilizes Solid-State and USB 3.0 technologies to let your system quickly access up to 240 GB of data. To speed up the opening of large-sized files, the Extreme 500 offers sequential read speeds up to 415 MB/s and sequential write speeds up to 340 MB/s. In addition, it is built to resist shocks and vibrations since the SSD is built with no moving parts. Furthermore, it connects to your Windows or Mac system via USB 3.0 and is half the size of a standard smartphone. Once connected, you can use it to access or backup your videos, photos, and other files.