WD My Passport Ultra, 20th Anniversary Edition. A tribute to Western Digital's most popular drive, the WD My Passport Ultra, ...

In 2004, when Western Digital launched the WD My Passport drive, its compact, portable offering revolutionized how people managed their data on the go. From its modest beginnings as a 40GB* drive ...

for Windows or Mac OSX on a My Book or My Passport drive . Western Digital still recommends installing the SES driver when not using WD SmartWare, but the drive will function without it.