Designed for the xMac mini Server Thunderbolt 2 to PCIe Card Expansion System, the Thunderbolt 3 Upgrade Kit form Sonnet allows the 20 Gb/s Thunderbolt 2 interface board to be easily upgraded to 40 Gb/s Thunderbolt 3. Simply replace the existing Thunderbolt 2 interface board with the Thunderbolt 3 upgrade board, and your chassis will instantly support higher performance of Thunderbolt 3 and connect to your Thunderbolt 3 host without the need for an adapter. This PCIe card has two Thunderbolt 3 ports and includes a 1.6' Thunderbolt 3 cable, a ThunderLok 3 retainer clip, and a bracket..

General Features. Increased Bandwidth.

• For the xMac mini Server
• Thunderbolt 3 Upgrade Card
• 2 x Thunderbolt 3 Ports
• Daisy Chain Five Thunderbolt Peripherals
• Connect One USB Type-C Device
• Supports Two 4K Displays @ 60 Hz
• Supports One 5K Display @ 60 Hz
• Includes Thunderbolt 3 Cable
• Includes ThunderLok 3 Retainer Clip