Specifications: ✔ 7x USB 3.0 ports ✔ Fits perfectly in your Mac environment ✔ Up to 5Gbps SuperSpeed via the fast USB 3.0 cable ✔ Including 12 Volt 2.0A power adapter for optimum power supply. ✔ No driver or software required! ✔ Backwards compatible with USB 2.0 and 1.1 ✔ Suitable for Windows 10/8/7 / Vista / XP and Mac OS 9.1 and higher ✔ Including manual and instructions (in English)