This Thunderbolt™ 3 to fiber network adapter connects your Thunderbolt 3 enabled device to a 10GbE network. The adapter combines the Thunderbolt 3 technology of TB31PCIEX16 with the 10GbE dual-fiber connection of PEX20000SFPI (Intel® 82599 chipset). The assembled adapter features one DisplayPort output, one additional Thunderbolt 3 port, and two open 10GbE SFP+ slots. Mission-critical connectivity This Thunderbolt 3 to fiber network adapter is the perfect solution for your mission-critical operations. The network adapter supports 802.1Q VLAN tagging for better bandwidth, 802.3ad link aggregation for greater network speeds, network redundancy support for reliability, and two 10G fiber connections through open SFP+ fiber slots for building a custom setup. Install and assemble with ease Requiring only a Phillips type screwdriver and your choice of SFPs, this Thunderbolt 3 to 10G fiber network adapter can be assembled and connected in minutes. Change up your chassis The Thunderbolt 3 chassis not only pairs well with the 10G fiber network card--you can swap in other PCIe cards to help support other functionality and performance. With the extra TB3 port and DP output built into the chassis, you will always have the ability to hook up extended displays to multitask effortlessly.The TB31PCIEX16 and PEX20000SFPI are backed by a StarTech.com 2-year warranty.