KEYMOX 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 Later

Compatibility:

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 mA
USB Flash Drive 100 mA
Camera 300 mA
Keyboard 500 mA
External Hard Drive 900 mA

The hub supports a maximum of 2 hard drives, but for best performance, the power demand of connected devices shouldn't exceed the total USB output of 5V 0.9A. Devices with high power demand such as Apple USB SuperDrive shouldn't be connected to the hub.