D-Link 10-Gigabit CX4 Module. Data transfer rate: 10 Gbit/s, Connectivity technology: Wired. Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): 10 - 70 °C, Operating relative humidity range: 10 - 90 %. Dimensions (WxDxH): 150 x 57 x 28 mm, Weight: 0.166 kg