Sabrent 7 Port USB 3.0 HUB + 2 Charging Ports with 12V/4A Power Adapter [Black] (HB-U930) Instantly Add Seven USB 3.0 Ports + 2 Charging Ports to Any Compatible Device Supports Transfer Speeds up to 5Gbps (USB 3.0), 480Mbps (USB 2.0), 12Mbps (USB 1.1) Features Over-Current Protection Safeguards When Equipment is Connected From Over-Voltages 12V 4 Amp Power Adapter Included to Power up Your Devices Easy to set up, Plug & Play, Hot Swappable