By Bestbuy.com

WD - My Passport 4TB External USB 3.0 Portable Hard Drive - Red

Store, share and transport files with the lightweight Western Digital My Passport Portable Hard Drive. The SuperSpeed USB port lets you transfer large files in seconds and 256-bit AES hardware encryption helps keep your files secure. The My Passport provides enough space to store thousands of files and documents. Auto backup capability allows you to select the time and frequency of file transfers.