Silicon Power 4TB Rugged Armor A60 Military-grade Shockproof/Water-Resistant USB 3.0 2.5" External Hard Drive for PC, Mac, Xbox One, Xbox 360, PS4, PS4 Pro and PS4 Slim, Black Military-grade shockproof and IPX4 water-resistant protection Cable storage design for simple cable carrying Rugged rubber casing that enables anti-slip and anti-scratch functions SuperSpeed USB 3.0 interface, backward compatible with USB 2.0 Work with PCs and Macs, letting you to share files between different platforms SP Widget free-download software for smarter data management, including data backup & restore, AES 256-bit encryption and cloud storage 3-year manufacturer warranty