Sonnet Technologies
Sonnet Thunderbolt 3 Upgrade Card - Thunderbolt Adapter
The Sonnet Thunderbolt 3 Upgrade Card adds two high-speed Thunderbolt 3 (USB-C 3.1 Gen 2) ports to your Mac via a PCIe slot. Connect multiple high-performance devices, including displays, storage drives, and more.
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Updated on July 11, 2026
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