WAVLINK Aluminum 7 Port USB 3.0 Hub Superspeed with 5V/4A Power Adapter Multitask USB Extender Plug and Play for MacBook, iMac, Ultrabook, PC Unibody aluminum exterior is sleek yet durable, effectively resisting scratches and wear from repeated plugging in. 7 downstream ports support data transfer rates up to 5Gbp for your flash memory, SSD, 2.5"/3.5" mobile hard disk drive, Camera etc.,you'll be able to transfer a HD movie in seconds. Powered solely through the USB connection when on the go or connects to the provided power adapter for a higher power output. Fully plug and play, devices can be hot-plugged, supports USB over-current protection. Compatible with most Windows 10, 8.1, 8, 7, Vista, XP, Mac OS X, and Linux / Unix systems. Package contents: Wavlink USB 3.0 7-Port Hub, 5V 4A US Power Adapter, 18-month hassle-free warranty.