Silicon Power 500GB Rugged Armor A30 Shockproof Standard 2.5-Inch USB 3.0 Military Grade Portable External Hard Drive - White (SP500GBPHDA30S3W) Shockproof - Drop protection meets US Military (MIL-STD-810G) Standards SuperSpeed USB 3.0 - High transferring rate up to 5Gb/sec Wrap-around Cable System - Brilliant USB 3.0 cable Storage Design Works with PCs and Macs - Share data and files between different platforms Best Warranty - 3 years manufacturer warranty