ORICO 4 Port Aluminum USB 3.0 HUB with 12V2.5A Power Adapter and 3.3Ft. USB3.0 Date Cable - Black(A3H4) Data transfer rates of up to 5Gbps, Backwards compatible with all USB 2.0/1.1 devices and hosts Compatible with all Windows/Mac/Linux systems. Easy to setup: Plug & Play and Hot Swappable Independent 12 V 2.5A power supply support high power consumption devices, such as multiple hard drives. Designed with a built-in surge protector to keep your devices safe.