Amazon.com: 4PCS 1000BASE-T Gigabit SFP to RJ45 Copper Ethernet Modular Transceiver for Cisco,Meraki,Ubiquiti,D/TP Link,Supermicro,Netgear,Broadcom, 1.25G SFP-T CAT5E/CAT6 up to 100m Mikrotik S-RJ01 : Electronics
Amazon.com: SFP+ to RJ45 Copper Module - 10GBase-T Plus Transceiver for Cisco SFP-10G-T-S, Ubiquiti, Netgear, Supermicro, QNAP, Broadcom, MikroTik S+RJ10, Avago, up to 30m : Electronics
1Gb SFP Fiber to RJ45 Fiber Optic Media Converter 1000Mbps SFP Fiber S – DMV Store