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Product Description
Sonnet designed the Echo Express SEL Thunderbolt 2-to-PCIe card expansion system to be easily upgraded to 40Gbps Thunderbolt 3. Simply replace the existing Thunderbolt interface board with the Sonnet Thunderbolt 3 Upgrade Card, and your chassis will instantly support higher performance, and connect to your Thunderbolt 3-equipped computer without the need for an adapter.