MH USB 3.0 4 port hub AC powered. Provides 4 SuperSpeed USB 3.0 ports for additional peripherals. Supports data transfer rates up to 5 Gbps. Capable of fast charging, up to 0.9 A per port with included power adapter. Backward compatible with all USB 2.0 and 1.1 devices. AC / bus powered with overcurrent protection. Compact size ideal for both desktop and mobile use. Plug and play; Windows and Mac compatible; no drivers required.