ORICO Premium USB 3.0 4 Port Aluminum USB HUB for iMac, MacBook, MacBook Pro, MacBook Air, Mac Mini, or any PC - Black(AS4P-U3P) USB3.0 transfer rates up to 5Gbps, 10 times faster than USB2.0 Designed with a built-in surge protector to keep your devices safe Compatible with all Windows/Mac/Linux systems; Easy to setup: Plug & Play and Hot Swappable Indenpent 5V2A power supply support high power comsumption devices, such as mutiple hard drives We provide 18 Months warranty and lifetime technical support for purchase via ORICO direct store