Take your data with you using the 4TB Extreme Portable SSD V2 from SanDisk. Designed for performance under adverse conditions, this durable black colored 4TB SSD features read and write speeds up to 1050 and 1000 MB/s, respectively. Bus powered, the SanDisk Extreme Portable SSD utilizes a USB-C connection. A USB-C to C cable is included, along with a USB-C to USB-A adapter.