Western Digital Extreme Portable SSD - 4TB

Your life’s an adventure. To capture and keep its best moments, you need fast, high-capacity storage that accelerates every move. The SanDisk Extreme Portable SSD features up to 1050MB/s read and 1000MB/s write speeds, letting you store your content and creations on a fast drive that fits seamlessly into your active lifestyle. (Based on internal testing; performance may be lower depending on host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes.)