AFENDO&reg; USB 3.0 7-Port Portable Aluminum Hub (12V/2.5A power adapter, 90cm USB 3.0 Cable attached,Latest VL812 Chipset),Backward Compatible with USB 2.0/1.1 and Supporting Windows / Mac / Linux OS-18 Months Warranty-Black USB 3.0 saves on syncing time with data transfer rates of up to 5 Gbps (much faster than USB 2.0).Backward compatible with USB 2.0/ 1.1 The newest chipset version: VL812 allows this hub perform stably and perfectly compatible with your Windows, Mac OS or Linux systems. Built-in surge protection keeps your devices and data safe and supports hot swapping. Enough power supply: 12V/2.5A power adapter can provide enough capacity power supply to your high-power devices as a current enhancement if needed. Plug and play: You now have 7 USB ports instead of one, no need to install drive.