ORICO 7 Port USB 3.0 Aluminum Hub with 12V 2.5A Power Adapter (ORICO H73-SV) High end aluminum finish is sleek yet durable, creates a natural extension to your Mac. Expand USB connectivity by adding up to seven USB 3.0, 2.0, or 1.1 devices to any USB 2.0 or 3.0 compatible computer. USB 3.0 supports data transfer rates of up to 5Gbps (10 times faster than USB 2.0), this enable users to sync files and interact with your Mac or PC more efficiently than ever, also it is backwards compatible with USB 2.0 / 1 Compatible with Windows 8 / 7 / Vista / XP or Mac OS X 10.2 and above Compact size and lightweight design effectively saves space. All 7 ports on one side to minimize cable clutter and maximize accessibility Package lists, ORICO 7 Port USB 3.0 Aluminum Hub, 3.3FT USB 3.0 Cable, 12V/2.5A power adapter, User's Manual, Service Card