Amazon.com: 24 Port PoE Switch,10/100Mbps PoE+ Ethernet Switch Unmanaged with 2 Gigabit Uplink Ports,1 SFP Port Up to 30W Per Port, Total Budget 300W, 803.af/at Compliant, Fanless Silent, Rack Mount : Industrial
Amazon.com: VIMIN 24 Port Gigabit PoE Switch with 2 Uplink Gigabit & 2 SFP Ports, 24-Port Ethernet PoE Switch Unmanaged w/ 320W High Power, Support IEEE802.3af/at, VLAN, Rack-Mount, Sturdy Metal Housing :
Amazon.com: 6COM 10GBase-T SFP+ Transceiver, 10G SFP+ to RJ45 Copper Module, CAT.6a/7, up to 30 Meters, for Cisco SFP-10G-T-S, Ubiquiti, D-Link, Supermicro, Netgear, MikroTik S+RJ10 and More : Electronics
Amazon.com: Open SFP Slot A Pair of 1.25G/s Gigabit Fiber Ethernet Media Converter 10/100/1000Base-Tx to 1000Base-SX SMF RJ45 to SFP Slot, Support SFP Gigabit modules up to 120KM(2 Pack) : Electronics