The Sabrent HB-U930 is a premium 7 Port High Speed USB 3.0 Hub that is designed to maximize compatibility with USB 3.0 devices, including power-hungry USB-powered hard drives, scanners, etc, with its provided 12V/4A power supply. Supplies up to the 1.5A per port and 2.4 amps from the two charging ports Hub Controller The Sabrent HB-U930 features per-port overcurrent protection to safeguard your connected peripheral devices against damage or data loss due to overvoltages. Not Just a USB Hub, Also a Fast USB Charger The Sabrent HB-U930 features two USB fast charging ports that provide high power (2.4 amps per port) under Fast-Charge Mode2. Taking up only one AC outlet, it gives you the ability to simultaneously fast charge two power hungry devices Compatible Charging Devices (Smart Charging Port Only) All Apple devices: iPhone 6+/6/5S/5C/5/4/4S, iPad mini 1/2, iPad Air/4/3/2 All Android devices: Samsung Galaxy S5, S4, S3, HTC, EVO, One X; Samsung Galaxy Note Tablets: Samsung Galaxy Tablets