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Thunderbolt 4 compatibility

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Update time : 2023-09-05 11:43:35
  Thunderbolt 4 is here and you should consider buying a certified Thunderbolt 4 dock even if you have a Thunderbolt 3 computer because it’s both backwards compatible with older USB-C and Thunderbolt 3 and future-proof—at least until Thunderbolt 5 comes along, and that’s at least a few years off yet.
  That’s why OWC calls its Thunderbolt 4 docking station just the “Thunderbolt Dock” as it works with TB3 and TB4, although not the distant TB2. If your computer has TB2, you need a new computer.
Thunderbolt 4 docking station
  Note, though, that manufacturers of Windows computers didn’t always follow the guidelines for Thunderbolt 3 and so most TB4 hubs and docking stations are not recommended for PC users. They require a properly certified Thunderbolt 4 laptop.
  Apple was much better at certification, though, so TB4 hubs and docks will work with all Thunderbolt 3 Macs, which means any from the past few years (2017 and later) are good to go.
  Apple’s M1-based 13in MacBooks still have Thunderbolt 3 ports, even though the company calls them “Thunderbolt / USB 4”. If you connect a TB4 dock or hub to an M1 MacBook, you won’t lose any benefits as long as you are using macOS Big Sur or above. But bear in mind that, right now, M1 Macs can connect to only one external display.
  The latest 14in and 16in MacBook Pro models—using the M1 Pro or M1 Max chips—do have Thunderbolt 4 ports and can support multiple external displays–they also come with more varied side ports that might even mean you don’t need a hub or a port.