iTEC USBHUB2. Data transfer rate: 480 Mbit/s. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -10 - 85 °C. LED indicators: Power. Interface: USB 2.0, Power requirements: DC 5V, AC 100-240V@50/60Hz. Compatible operating systems: Microsoft Windows ME/2000/XP/Vista/7, Mac 10.1+