“StarTech.com Thunderbolt 3 to 10GbE Fiber Network Chassis – External PCIe enclosure – 2 Open SFP+ Ports – This Thunderbolt 3 network adapter connects your Thunderbolt 3 device to a 10GbE network via a PCIe expansion chassis – Thunderbolt 3 to fiber / Thunderbolt 3 expansion chassis / Thunderbolt 3 PCIe enclosure / Thunderbolt 3 PCIe expansion chassis ADAPTER” has been added to your cart. View cart