Trendnet 4-Port USB PC Card. Data transfer rate: 480 Mbit/s. Weight: 67 g. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -10 - 45 °C. Interface: EHCI .95, Dimensions (WxDxH): 54 x 12 x 114 mm, Compliance industry standards: USB 2.0/1.1. Minimum system requirements: Windows 98SE/ME/2000/XP/2003/Mac