G-Technology ev Series All-Terrain Case with tethered Thunderbolt cable for ev Series Hard Drive - Enclosure Only - 0G04277 Durable, all-terrain hard drive case Tethered Thunderbolt cable Watertight drive compartment (Floats in water and should it be dropped into a pool of water up to 1ft for 30 secs, your drive is protected.) Data protected from pressure, shock and dust Evolution Series-compatible 3-year limited manufacturer's warranty