HP J9726A 2920-24G 24-Port Gigabit + 4x SFP Switch INCL 1x J9739A 165W PSU

10 Gb/s Latency: < 3.3 us. 1 dual-personality (RJ-45 or USB micro-B). 4 RJ-45 dual-personality 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T). 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.

eBay