Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter

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  • Overview

    The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter lets you connect Thunderbolt and Thunderbolt 2 devices — such as external hard drives and Thunderbolt docks — to any of the Thunderbolt 3 (USB-C) ports on your MacBook Pro.

    As a bidirectional adapter, it can also connect new Thunderbolt 3 devices to a Mac with a Thunderbolt or Thunderbolt 2 port and macOS Sierra.

    In addition, it can be used to connect Thunderbolt-enabled displays — such as the Apple Thunderbolt Display and LG Thunderbolt 2 displays — to any of the Thunderbolt 3 (USB-C) ports on your MacBook Pro. However, using this adapter with an Apple Thunderbolt Display requires a power source, because the display does not provide power through the adapter.

    Note: This adapter does not support DisplayPort displays like the Apple LED Cinema Display or third-party DisplayPort and Mini DisplayPort displays. For more information, visit the Apple Support page for the Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter.

    What’s in the Box

    Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter

    Tech Specs

    Thunderbolt 2

    Thunderbolt 3 (USB-C)

    USB C

  • 2.0 Average
    2 out of 5 stars
    Number of stars Percentage Number of reviews
    • 1.0 out of 5 stars

      Problems with chained displays, waking up from sleep / restarts

      This adapter does NOT duplicate the functionality of the Thunderbolt ports on MacBook Airs and legacy MacBook Pros when daisy-chaining accessories together. For This adapter does NOT duplicate the functionality of the Thunderbolt ports on MacBook Airs and legacy MacBook Pros when daisy-chaining accessories together. For example, I have a external hard drive chained to a DisplayPort monitor. On my old MacBook Air, the two would be recognized right away. I could wake up my computer from sleep (clamshell shut, hooked to external monitor and keyboard / mouse) and the hard drive would spin up and the monitor would turn on. With my new MacBook Pro and this adapter, however, waking up the computer from sleep, with the exact same connections, and the hard drive turns on but the monitor doesn't. If I open the lid of the laptop, then magically both displays will start working. Similarly, if I try to restart the computer in clamshell mode when the monitor is recognized and working (again, daisy-chained to the hard drive), upon being restart the monitor isn't recognized. If I try to open the lid of the laptop, then the MacBook Pro's own display won't even turn on, making me have to restart it. In short, this adapter doesn't work unless you have the most basic Thunderbolt setup. Don't expect anything daisy-chained to work. Don't expect restarts to work. Don't expect waking up from sleep to have your plugged-in accessories to work the same as when you put your computer to sleep.

      • Written by Josh H from Washington

      286 of 329 people found this useful

      Is this review useful?Problems with chained displays, waking up from sleep / restarts

    • 5.0 out of 5 stars

      Thunderbolt Display

      Just brought this home to use on my new late-2016 MacBook Pro 13. This adaptor allowed me to use my Thunderbolt display. Very happy!

      • Written by Gregory H from San Diego

      198 of 259 people found this useful

      Is this review useful?Thunderbolt Display

    • 1.0 out of 5 stars

      Doesn't work with my Dell P2715Q 4k on mini-displayport

      Tried multiple mode (SST, MST Seconday) neither is working. it just does not detect my display at all. worthless for 2016 MacBook Pro. returning tomorrow.

      • Written by Gonghua D from Mason

      256 of 383 people found this useful

      Is this review useful?Doesn't work with my Dell P2715Q 4k on mini-displayport

    • 5.0 out of 5 stars

      does what it's SUPPOSED to do

      I have a Thunderbolt Display and had just gotten a 2017 MBP, and in trying to find out whether I could get an adapter to connect them, I came here and was initi I have a Thunderbolt Display and had just gotten a 2017 MBP, and in trying to find out whether I could get an adapter to connect them, I came here and was initially scared off by the average two-star rating. I went so far as to almost pull the trigger on getting a USB-C display. Then I came back here once more and started actually reading the reviews -- it turns out that a ton of people here were simply angry that they wanted this adapter to do something it doesn't do, and they all gave the adapter one-star reviews. The adapter does what it was made to do: it adapts Thunderbolt 2 to USB-C. That's it. I connected the adapter to my Thunderbolt Display and plugged it into the new machine, and it worked perfectly the first time. (Well, almost perfectly -- the MBP needs to be plugged in to get the display to stay on. Is it ridiculous that Thunderbolt 2's connector is the same as Mini DisplayPort even though they're different specs? Yes, absolutely. But don't ding this adapter for not doing the thing it's not built to do. But if, like me, you need this more-expensive-than-it-should-be adapter to do the ONE thing it was made to do, then, like me, you'll be happy. Except for the $49 part. But hey, it's better than a $600 USB-C display. For now. Now, if Apple would finally get around to making a MagSafe-to-USB-C adapter, my transition to the new laptop will be complete.

      • Written by Cheshire I from Emeryville

      Is this review useful?does what it's SUPPOSED to do

    • 4.0 out of 5 stars

      Works fine with external RAID

      I'm not using it for a monitor so I can't comment on those problems, but it works fine from a 2017 iMac to a Thunderbolt 2 OWC Thunderbay RAID (4 bay).

      • Written by Peter G from Falmouth

      Is this review useful?Works fine with external RAID

    • 5.0 out of 5 stars

      Works wonders

      Using it currently with my MacBook Pro 15" 2016 and my Belking Thunderbolt 2 docking station. It was just a cheap solution to keep using the docking station for Using it currently with my MacBook Pro 15" 2016 and my Belking Thunderbolt 2 docking station. It was just a cheap solution to keep using the docking station for now without changing it altogether. It's great for these kind of applications.

      • Written by Alessandro M from London

      Is this review useful?Works wonders

  • Answers from the community