9
You can refer to the following illustrations for the recommended daisy-chain connections:
Connecting to external devices
Before connecting any Thunderbolt-enabled devices in a daisy-chain
conguration, ensure that it is equipped with one Thunderbolt™ IN port
and one Thunderbolt™ OUT port.
Six Thunderbolt™ devices
Six Thunderbolt™ devices + three DisplayPort 1.2 displays
Five Thunderbolt™ devices + one native Thunderbolt™ monitor