Sonnet Thunderbolt 3 Upgrade Card for Echo Express III-D and III-R

The Thunderbolt 3 Upgrade Card from Sonnet upgrades your Thunderbolt 2 system to 40 Gb/s Thunderbolt 3. By replacing the existing Thunderbolt interface board on your Echo Express III-D and III-R with this upgrade board, your chassis will instantly support higher performance and connect to your Thunderbolt 3-equipped computer without needing an adapter.