Thunderbolt™ 3 Expansion Card Usage Scenarios
Daisy-chain up to 6 QNAP Thunderbolt™ devices
A NAS with a Thunderbolt™ 3 expansion card can be daisy-chained with up to 6 QNAP Thunderbolt™ devices, including other QNAP Thunderbolt™ NAS and Thunderbolt 3 to 10GbE Adapter (QNA Series).
Connect legacy devices
When used with an Apple Thunderbolt™ 3 (USB-C) to Thunderbolt™ 2 adapter* (sold by Apple), legacy Thunderbolt™ 2 MacBook can be connected to your Thunderbolt™ 3 NAS for sharing files and accessing centralized data.
*Please note that Thunderbolt 2 connection speed will only be able to reach up to 20Gb/s.