1.Sleek apple-style design ideal for Mac pro , for imac , for macbook arr , for macbook pro , for macbook , and for mac mini . 2.Adds USB 3.0 ports to your computer , easy to set up , plug and play , hot swappable. 3.We use GL3522 3.0 chip set , it is a kind of high speed and stable chip , better than the others chip in the market . The GL3522 chipset get the Certification of windows 8 and USB-IF SuperSpeed . 4.Our usb 3.0 hub : Read speed : 80-130 MB/S Write speed : 100 MB/S 5.Our usb 3.0 hub can run the Mobile hard disk less than 1.5T without external power, if you want to run the Mobile hard disk more than 1.5T , you need to connect the external power . 6.Saves on syncing time with data transfer rates of up to 5Gbps (much faster than usb 2.0 ) 7.USB 3.0 HUB Compatible with usb 2.0 and 1.1 specifications . 8.Shielded cable makes a safe and efficient data ransfer for maximum performance and longtime usage . 9.Build-in surge protection keeps your devices and data safe . 10.Compatible with Mac OS 9.1 higher , windows 98SE/ME/2000/XP/Vista/7,Linux 2.4 or above . 11.What's in the package ? 1* USB 3.0 HUB 1*Date Cable (0.6m and 1.5m Optional )