Western Digital My Passport WDBYFT0040B 4TB USB 3.0 Portable External HDD
Brand: Western Digital
Auto backup with included WD Backup software
Password protection with hardware encryption
Trusted drive built with WD reliability
USB 3.0 port; USB 2.0 compatible. SYSTEM COMPATIBILITY: Windows 10, Windows 8, Windows 7. Requires reformatting for Mac OS X operating system.