WAN Ports: 1 RJ-45 autosensing 10/100/1000 port (IEEE 802.3 Type 10BASE-T, IEEE 802.3u
Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T); Duplex:
10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
Specifications: 20-port 10/100/1000 PoE+ and 4-port mini-GBIC(SFP) module for HP E5400/E8200 series zl switches
Ports and Slots: 20 x RJ-45 1000Base-T PoE LAN, 4 open mini-GBIC (SFP) slots
Connectivity Media: Twisted Pair 1000Base-T
Data Transfer Rate: 1 Gbps Gigabit Ethernet
Dimensions: 7.76" x 7.52" x 14.29"
Weight: 1.45 lbs.