WD 1TB Red USB 3.0 My Passport Portable External Hard Drive (WDBYNN0010BRD-WESN)

Auto backup with included WD Backup softwarePassword protection with hardware encryptionTrusted drive built with WD reliabilityUSB 3.0 port; USB 2.0 compatible. SYSTEM COMPATIBILITY: Windows 10, Windows 8.1, Windows 7. Requires reformatting for Mac OS X op