INCLUDING RACK EARS. 10 Gb/s Latency: < 3.3 us. 1 dual-personality (RJ-45 or USB micro-B). 20 RJ-45 autosensing 10/100/1000 ports (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.