Amazon.com: Mini Industrial 4 Port 10/100/1000Mbps Gigabit Ethernet Switch with SFP Din Rail/Wall-Mount 10/100/1000BASE-T RJ45 + 1 100/1000FX (SFP) Support 12-48V DC 10Gbps Switching Capacity : Electronics
4-Port Full Gigabit PoE Switch with 1 GE & SFP Uplink, Support POE Ext | LINOVISION US Store