Before revision: JHL6340 1.7 JHL654 2 2.2 JHL7340 Computers 1 1.9 Titan Ridge 2018 Q1 40 Gbit/s speed, DP 1.4 JHL7540 Computers 2 2.4 JHL7440 Accessories 2.4 2018 Q1 40 Gbit/s speed, DP 1.4, optional USB-C port compatibility,backwards compatibility when a Thunderbolt 3 docking station is connected to a non-Thunderbolt 3 computer 4 JHL8340 Computers 1 Maple Ridge 2020 Q4 40 Gbit/s speed, USB4 compliant JHL8540 Computers 2 2020 Q4 JHL8440 Accessories 4 Goshen Ridge 2020 Q3 40 Gbit/s speed, USB4 compliant (peripheral only), with 4x Thunderbolt 4 ports for branching hub topology.
After revision: JHL6340 1.7 JHL6540 2 2.2 JHL7340 Computers 1 1.9 Titan Ridge 2018 Q1 40 Gbit/s speed, DP 1.4 JHL7540 Computers 2 2.4 JHL7440 Accessories 2.4 2018 Q1 40 Gbit/s speed, DP 1.4, optional USB-C port compatibility,backwards compatibility when a Thunderbolt 3 docking station is connected to a non-Thunderbolt 3 computer 4 JHL8340 Computers 1 Maple Ridge 2020 Q4 40 Gbit/s speed, USB4 compliant JHL8540 Computers 2 2020 Q4 JHL8440 Accessories 4 Goshen Ridge 2020 Q3 40 Gbit/s speed, USB4 compliant (peripheral only), with 4x Thunderbolt 4 ports for branching hub topology.