IEEE 802.3 for 10BaseT IEEE 802.3u for 100BaseT(X) IEEE 802.3ab for 1000BaseT(X) IEEE 802.3z for 1000BaseX IEEE 802.3ae For 10 Gigabit Ethernet Fiber IEEE 802.3x for Flow Control, back pressure flow

20-Port Managed Gigabit Layer-3 Switch with 12 RJ45, 4 PoE and 4 x 10 Gigabit SFP uplink ports

12-Port Managed Gigabit Layer-3 Switch with 8 PoE, and 4 x 10 Gigabit SFP uplink ports

16-Port Managed Gigabit Layer-3 Switch with 12 SFP and 4 x 10 Gigabit SFP uplink ports

16-Port Managed Gigabit Layer-3 Switch with 12 RJ45 and 4 x 10 Gigabit SFP uplink ports

16-Port Managed Gigabit Layer-3 Switch with 8 RJ45, 4 PoE, and 4 x 10 Gigabit SFP uplink ports

16-Port Managed Gigabit Layer-3 S with 4 RJ45, 4 PoE, 4 SFP and 4 x 10 Gigabit SFP uplink ports