D-Link DGS-3426. Maximum data transfer rate: 20 Gbit/s. Switch type: Managed. Power consumption (typical): 70.8 W. Operating relative humidity range: 10 - 90 %, Operating temperature range (T-T): 0 - 40 °C, Storage temperature range (T-T): -40 - 70 °C. Dimensions (WxDxH): 441 x 389 x 44 mm, Power requirements: 100 - 240 VAC, 50/60Hz