JOBO Cube HUB. Data transfer rate: 480 Mbit/s. Operating temperature range (T-T): 20 - 50 °C, Storage temperature range (T-T): 0 - 70 °C, Operating relative humidity range: 20 - 80 %. Dimensions (WxDxH): 60 x 60 x 60 mm, Weight: 0.102 kg. Compatible operating systems: Win 98/98SE/2000/ME/XP/7 Mac OS 9.0+