Everboss Support Ultra-thin 3TB USB 3.0 All Metal Ultra-slim External Portable Hard Drive Storage HDD Case Delicate and simple appearance, precise and high quality crafting, unique ergonomic appearance and structure, light and convenient to carry Compatible operating systems with Windows 2000/Windows Me/Windows 98/ XP /Vista/ 7/ 8, Mac OS 9.1/10.8.4 above Connects via SuperSpeed USB 3.0 (up to 10x as fast as USB 2.0). Easy tool-free installation for Windows and Mac systems; supports hot-swapping. The actual transmission speed is limited by the setting of the device connected