Silicon Power 1TB Rugged Portable External Hard Drive Armor A30, Shockproof USB 3.0 for PC, Mac, Xbox and PS4, Black Military-grade shockproof. Hexagonal pattern covering over the surface for scratch-resistant function. Cable storage design for simple cable carrying. SuperSpeed USB 3.0 interface, backward compatible with USB 2.0. Work with PCs and Macs, letting you to share files between different platforms. 3 year manufacturer warranty. (Please register your product via SP official website to get the complete manufacturer warranty services, product support and more.)