Amazon.com: SIIG USB-C to Fiber SFP Gigabit Ethernet Adapter, High Speed GB Transfer Rate (1000/100/10 Mbps), USB 3.0 Type-C to SFP Female, USB to Fiber Optic Converter, Realtek RTL8153 (JU-NE0C11-S1) : Electronics
For Cisco HWIC-1GE-SFP 1 SFP Port Router High-Speed WAN Interface Optical Card. | eBay
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