HARDWARE FEATURES Interface 1610/100Mbps RJ45 Ports AUTO Negotiation/AUTO MDI/MDIX Fan Quantity Fanless Dimensions (W X D X H) 7.9*5.6*1.6 in. (200*142*40 mm) Power Consumption Maximum: 3.1W (220V/50Hz) External Power Supply 100~240VAC, 50/60Hz Mac Address Table 1K SOFTWARE FEATURES Transfer Method Store and Forward Advanced Functions Green Technology, saving power up to 80% 802.3X Flow Control, Back Pressure