USB-C/USB-C Cable included The SanDisk Extreme 4TB USB-C Portable External SSD (SDSSDE61-4T00) is a high-performance storage solution designed for those in need of a large storage capacity on the go. With a lightning-fast read speed of 1050MB/s, this SSD offers quick and efficient data access. The gray color and compact design make it easy to carry around, while features like secure encryption, a USB port, and water resistance add an extra layer of convenience and security. Compatible with USB-A interfaces, this SanDisk Extreme V2 model is a reliable choice for users looking for a portable and durable external SSD.