Enjoy extra portable storage with the Sandisk Extreme PRO 4TB external hard drive. It features a forged aluminum chassis and durable silicone shell for superior safety and protection. A handy carabiner loop makes it easy and secure to carry this storage device wherever you go. The included password protection with 256‐bit AES hardware encryption enhances your content security. | Sandisk Extreme PRO 4TB USB 3.2 External Hard Drive (SDSSDE81-4T00-G47G)