https://www.macfixit.com.au/collections/expansion-interfaces/products/sonnet-echo-pro-expresscard-34-thunderbolt-adapter-5-0-gb-s-expresscard-2-0-interface
Sonnet Technologies Echo Pro ExpressCard/34 Thunderbolt Adapter - 5.0 Gb/s ExpressCard 2.0...
5.0 Gb/s ExpressCard 2.0 interface. Enables you to use ExpressCard/34 adapters with Thunderbolt technology-equipped computers. 1 Year Sonnet warranty. Buy Now!
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Sonnet Technologies Archives - 9to5Mac
Sonnet Technologies specializes in high-end Thunderbolt to PCIe card expansion systems.
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https://www.macfixit.com.au/collections/expansion-interfaces/products/sonnet-technologies-allegro-usb-c-4-port-superspeed-usb-3-1-gen-2-pci-express-card-thunderbolt-compatible
Sonnet Technologies Allegro USB-C 4-Port SuperSpeed +USB 3.1 Gen 2 PCI Express Card. Thunderbolt...
Equipped with SSDs, the fastest 3.1 Gen 2 USB drives you can buy today are capable of 800 MB/s data transfers—many are bus-powered, too. But, most desktop...
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