Futurelooks tried the WD My Passport Pro 4TB Thunderbolt Portable RAID Drive
A quote from the article:
In this day and age of digital entertainment, the associated files that are edited to bring you amazing still life imagery or high-definition video require high performance peripherals. With a large amount of digital content producers being out on location and not in the comfort of their studios, their devices need to be portable without sacrificing performance. This is where I believe the WD Passport Pro can be of help, as a portable storage solution that can help take your digital editing to another level on the road.WD My Passport Pro 4TB Thunderbolt Portable RAID Drive Review @ Futurelooks
Offered in capacities of either a 2TB or a 4TB, coupled with the speeds of a Thunderbolt interface, the WD My Passsport Pro seem to offer storage in all the right places.