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What is the best way to connect a device with a Thunderbolt 3 (USB Type-C) port to a computer (MacBook Pro) with a Thunderbolt 2 port?

I understand there will not be full 40 Gbps speed.

Device is a http://www.amazon.com/dp/B01BL0CKIM/ref=cm_sw_r_cp_api_D1BFxb33TZ5ZM

  • What make and model and type of device? – user3439894 Jul 7 '16 at 1:03
  • Not exactly sure what I'm going to order yet. I'm looking at this to see if it's even possible first, or whether I have to look in another direction. – lightbord Jul 7 '16 at 1:04
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    Since there is no Apple hardware or software, this is strictly off-topic for the site, but let's indulge ourselves a bit and see if someone wants to find the thunderbolt specification that explains how you cannot just plug thunderbolt 3 physically into thunderbolt 2 due to pinout and physical size mismatches. – bmike Jul 7 '16 at 2:14
  • @bmike the apple hardware would be the MacBook Pro, and I'm fully aware that the plugs are different. This is why I would like to know if an adapter exists. And the device on the other end is amazon.com/dp/B01BL0CKIM/ref=cm_sw_r_cp_api_D1BFxb33TZ5ZM – lightbord Jul 7 '16 at 2:25
  • A friend of mine has it and loves it. So I'd like to use it if I can. But if its not possible I'll look into other options – lightbord Jul 7 '16 at 2:42
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There isn't really many alternatives on the market. USB-C to Mini DisplayPort exists, but not many with Thunderbolt 3/2 support.

Apple makes a Thunderbolt 3 to Thunderbolt 2 which is supposed to be bidirectional (read more in this support article). In that case you would probably need a Thunderbolt 2 male-to-male cable, but it should work in theory.

  • It sais: The Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter doesn't support connections to these devices: [...] MacBook (Retina, 12-inch, Early 2015) and later – cocoseis Feb 16 '17 at 19:07
  • @cocoseis Yes, I suppose that means it doesn't support 12-inch MacBooks. Should still work for MB Pro or Air I believe. – 16patsle Feb 18 '17 at 16:44
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All day long I was looking for the same Thunderbold 3 to Thunderbold 2 adapter in order to be able to connect my new USB Type-C Devices to my "old" MacBook Pro. Meaning something like the inverse of:
https://www.amazon.de/Apple-MMEL2ZM-A-Thunderbolt-Adapter/dp/B01M72VEQR/ref=pd_sbs_147_17?_encoding=UTF8&psc=1&refRID=3WQZ4QYVZ7BBWCF73R4X

The only thing I could find matching my needs:
https://www.amazon.co.uk/Adapter-Maxhood-Macbook-ChromeBook-CFM-3-0M/dp/B01BYG75WY/ref=sr_1_2?ie=UTF8&qid=1487262986&sr=8-2&keywords=usbc+female
in addition to:
https://www.amazon.co.uk/KANEX-Thunderbolt-eSATA-USB-Adapter/dp/B00LOLBBQQ%3FSubscriptionId%3DAKIAILSHYYTFIVPWUY6Q%26tag%3Dduckduckgo-osx-uk-21%26linkCode%3Dxm2%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB00LOLBBQQ

To me, if I am not missing anything, this looks like there can be a solution. At least from the technical side.

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