With the Extreme PRO 1TB Portable SSD, SanDisk has maintained their world-renowned data transfer speeds, reliability and data security. This SSD features their super-fast in-house NVMe technology which provides you with breakneck transfer speeds of up to 2000MB/s for both reading and writing data. The unit has also been designed to be the ultimate travel SSD. It's compact, lightweight and is equipped with a ruggedised case that sees an IP55 rating that will ensure your data remains intact. The unit is universally compatible so whether you're a Mac or Windows user, you can enjoy high-speed data transfer and working speeds. This unit is available in either a 1TB or 2TB option.