16 Port L2+ Switch, with 4 x 10Gb SFP+ Uplinks, S3900-24F4S-R - FS.com Singapore
Amazon.com: 10Gtek 10GBase-T SFP+ to RJ-45 Transceiver, 10Gbe SFP+ Copper Ethernet CAT6a Module, up to 30-Meter, for Cisco SFP-10G-T-S, Meraki, Ubiquiti UniFi UF-RJ45-10G, Fortinet, TP-Link TL-SM5310-T and More : Electronics
Luxul 10G-RJ45 10Gb Ethernet RJ-45 SFP Module - Pro AV Warehouse
SFP to RJ45 Adapter - Ubiquiti Store United States