[VIA VL812-B2 Chipset and updated latest firmware v9081 and 5V/4A Power Adapter] UtechSmart USB 3.0 7 Port Hub with 3ft USB 3.0 Cable and Power Adapter; Support Linux, OS X, and Windows; Backward Compatible with USB 2.0 Expand by connecting up to 7 USB 3.0, 2.0, or 1.1 devices to any USB 2.0 or 3.0 capable computer Compatible with all Windows and Linux systems. Mac systems require latest Apple updates. Plug and play. Supports hot swapping. Backwards compatible with all USB 2.0/1.1 devices and hosts. Supports USB 3.0 transfer rates up to 5Gbps. Backwards compatible with all USB 2.0/1.1 devices and hosts. Powerful 4A laptop-style power adapter with 6 foot cable. Hub is not a standalone charger. Package includes: 1 USB 3.0 7-port Hub / 1 5V/4A Power Adapter / 1 USB 3.0 Cable (3 feet) / 1 User Manual.