WD My Passport 256GB SSD USB-C External Portable Storage - Black - USB 3.1 Type-C (USB 3.0/3.0 Compatible) - WD Discovery software for WD Backup - Built-in 256-bit AES Hardware Encryption with WD Security software - Shock-resistant up to 6.5 feet/1.98m - Formatted for Windows 10, Windows 8 or Windows 7 operating systems - WDBK3E2560PSL - 3 Years Limited Warranty