4-Port USB 3.0 Hub, Compact Size Data USB Hub for MacBook, Mac Pro, Mac Mini, iMac, Surface Pro, XPS, PC, Flash Drive, Mobile HDD (Charging Not Supported)

4 Port USB 3 0 Hub Supported Systems:Windows 10 8 7 Vista XP Max OSx 10.6 10.12 or later Linux 2.6.14 or LaterCompatibility:The USB ports are intended for data transfer only but does not support charging. 2.4 GHz wireless devices (such as wireless keyboards and mice) and some USB 3.0 devices may not be supported or may not work in close proximity to a hub or other USB 3.0 device.For a stable connection avoid connecting devices that exceed a total of 900 mA. Devices are usually rated as follows:Mouse 100 mAUSB Flash Drive 100 mACamera 300 mAKeyboard 500 mAExternal Hard Drive 900 mA The hub supports a maximum of 2 hard drives but for best performance the power demand of connected devices shouldnt exceed the total USB output of 5V 0.9A. Devices with high power demand such as Apple USB SuperDrive shouldnt be connected to the hub.