Transcend Information SuperSpeed USB 3.0 Hub (TS-HUB3K) Comes with 3 USB 3.0 Ports and 1 fast charging port Fully Compliant with the Super-Speed USB 3.0 specification Support USB powered / Supports USB Battery Charging specification v1.2 Provides 2A output current for fast charging devices like the iPad with power adapter DC Adapter supports more and stable power for USB device Backwards compliant with USB 2.0 and USB 1.1 LED indicates device insertion Windows XP / Vista / 7 / 8 (32bit or 64bit); Mac OS 10.2.8 or later; Linux Kernel 2.6.30 or later