Silicon Power 2TB Rugged Armor A65M for Mac Shockproof Waterproof 2.5-inch USB 3.0 Portable External Hard Drive, Military Grade IP67 S, HFS and Supports Time Machine

Industry-first to meet IP67 dustproof/waterproof standardsCompliant with the U.S. military drop-test standards MIL-STD 810G Method 516.6 Procedure IV (transit drop test), a freefall test (122cm) on 26 contact pointsSP HDD Lock Utility free software downloa