5-Port 10/100/1000T +1-Port 1000X SFP Gigabit Ethernet Switch. SFP/mini-GBIC Slot: 1 x 1000BASE-X. Dimension (W x D x H): 162 x 102 x 28 mm. Metal enclosure. External power adapter 5V DC, 1.0Amp. Complies with IEEE 802.3i 10BASE-T, IEEE 802.3u 100BASE-TX, IEEE 802.3ab 1000BASE-T andIEEE 802.3z 1000BASE-X.