Applies to: Red Range
The Red 4Pre/8Pre features two Thunderbolt 2 ports. Thunderbolt 2 has two 10 Gbps bi-directional channels and combines them into a single 20 Gbps bi-directional channel.
The Red 16Line features two Thunderbolt 3 ports. Thunderbolt 3 has a bandwidth of 40Gbps.
The Thunderbolt ports on the interfaces are in line with the Thunderbolt specification and will therefore also provide power to bus-powered Thunderbolt devices connected to them.