G-DRIVE® ev ATC with Thunderbolt is as rugged as you want to be. This all--terrain drive solution with tethered Thunderbolt cable shields a high quality, lightweight, removable G--DRIVE® ev RaW USB hard drive. Featuring a watertight drive compartment, your data is further protected from pressure, shock and dust. The ev All-Terrain Case is compatible with the Evolution Series, also fitting the G-DRIVE® ev or G-DRIVE® ev SSD. Perfect for in the field back-up, editing, transferring and storage, this durable 7200 RPM drive leverages the speed of Thunderbolt while providing you with flexibility and the ease of use of USB. Matt Workman from Cinematography Database gives us some more insight on the G-Drive EV ATC and the LaCie Rugged Drive.
I use both the LaCie Rugged and G-Tech G-Drive EV ATC portable hard drives for storing and editing HD and some 4K video. Both of them are 7200 rpm Thunderbolt solutions, but I think I've made up my mind with which brand I'll be using for 2017.