* Made-to-order order *, 24 RJ-45 auto-sensing 10/100/1000 Mbps ports including 4 CL4 and 20 CL6 PoE ports IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at Class 4, IEEE 802.3bt Class 6) Duplex: 10BASE-T/100BASE TX: half or full 1000BASE-T: only full 2 SFP+ 10GbE ports 2 10GBASE-T ports