Do USB-C to Thunderbolt 2 cables exist?

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I’m purchasing a 2017 MacBook Pro and plan to use my old Mid-2011 iMac as a monitor in Target Display Mode.

I’ve discovered I need a USB-C to Thunderbolt 2 connection to make this work, but I’m having some difficulty finding a cable that works. I tried a USB-C to Mini-Display Port (using my work laptop, same as I’m ordering) without success.

Does such a cable exist?

I’ve seen male USB-C to female Thunderbolt 2 adapters that would require a male to male Thunderbolt cable, but they’re pricey and I’d like some confirmation that they work before I purchase one.

Can anyone confirm that this setup would work please?

share|improve this question

    up vote
    12
    down vote

    favorite

    I’m purchasing a 2017 MacBook Pro and plan to use my old Mid-2011 iMac as a monitor in Target Display Mode.

    I’ve discovered I need a USB-C to Thunderbolt 2 connection to make this work, but I’m having some difficulty finding a cable that works. I tried a USB-C to Mini-Display Port (using my work laptop, same as I’m ordering) without success.

    Does such a cable exist?

    I’ve seen male USB-C to female Thunderbolt 2 adapters that would require a male to male Thunderbolt cable, but they’re pricey and I’d like some confirmation that they work before I purchase one.

    Can anyone confirm that this setup would work please?

    share|improve this question

      up vote
      12
      down vote

      favorite

      up vote
      12
      down vote

      favorite

      I’m purchasing a 2017 MacBook Pro and plan to use my old Mid-2011 iMac as a monitor in Target Display Mode.

      I’ve discovered I need a USB-C to Thunderbolt 2 connection to make this work, but I’m having some difficulty finding a cable that works. I tried a USB-C to Mini-Display Port (using my work laptop, same as I’m ordering) without success.

      Does such a cable exist?

      I’ve seen male USB-C to female Thunderbolt 2 adapters that would require a male to male Thunderbolt cable, but they’re pricey and I’d like some confirmation that they work before I purchase one.

      Can anyone confirm that this setup would work please?

      share|improve this question

      I’m purchasing a 2017 MacBook Pro and plan to use my old Mid-2011 iMac as a monitor in Target Display Mode.

      I’ve discovered I need a USB-C to Thunderbolt 2 connection to make this work, but I’m having some difficulty finding a cable that works. I tried a USB-C to Mini-Display Port (using my work laptop, same as I’m ordering) without success.

      Does such a cable exist?

      I’ve seen male USB-C to female Thunderbolt 2 adapters that would require a male to male Thunderbolt cable, but they’re pricey and I’d like some confirmation that they work before I purchase one.

      Can anyone confirm that this setup would work please?

      macbook imac target-display

      share|improve this question

      share|improve this question

      share|improve this question

      share|improve this question

      edited Nov 28 at 20:03

      Allan

      40.9k1258151

      40.9k1258151

      asked Nov 28 at 18:24

      James Webster

      1715

      1715

          2 Answers
          2

          active

          oldest

          votes

          up vote
          7
          down vote

          You’re not going to find a Thunderbolt 3 to Thunderbolt 2 cable as an adapter is required to connect to legacy devices.

          One of the (major) differentiators between Thunderbolt 1/2 and Thunderbolt 3 is that Thunderbolt 1/2 required the cable to be active (it required power to operate) whereas Thunderbolt 3 can use standard USB Type C cables (it’s passive)1.

          With these older Thunderbolt standards, the cable was active, meaning
          the cable itself is a device that requires power to operate (which is
          why most Thunderbolt 1 or 2 devices would require an external power
          source in order to function.)

          Thunderbolt 3 is backward compatible, but will require an adapter.2

          From the FAQ:

          Is Thunderbolt 3 backwards compatible with Thunderbolt and Thunderbolt 2?

          Yes, solutions and products built to Thunderbolt and Thunderbolt 2 specifications will work with Thunderbolt 3 via an adapter.

          (emphasis mine)

          To make your setup work, something like the StarTech TBT3TBTADAP TB 3 to Legacy TB adapter.

          StarTech TBT3TBTADAP

          I’ve personally used this adapter to connect a 2018 MacBook Pro to a legacy (Thunderbolt 1) WD MyBook Duo and it worked with no issues.


          Note

          This kind of adapter is only compatible with Thunderbolt devices, not Mini DisplayPort.


          1C|Net: USB Type-C and Thunderbolt 3: One port to connect them all

          2Thunderbolt Technology Frequently Asked Questions

          share|improve this answer

          • 2

            I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
            – jksoegaard
            Nov 28 at 21:28

          • @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
            – Allan
            Nov 28 at 21:36

          • 2

            Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
            – jksoegaard
            Nov 28 at 21:48

          • 2

            @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
            – Tim
            Nov 29 at 0:03

          • @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
            – jksoegaard
            Nov 29 at 8:38

          up vote
          6
          down vote

          I don’t think a straight-up cable exists, no. However, you can get an adapter/dongle that works perfectly well for your scenario. You’ll need to Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter:

          https://www.apple.com/us_smb_83039/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter

          You can read more about the adapter here:

          https://support.apple.com/en-gb/HT207266

          Note that Target Display Mode is not using the same kind of signal as mini-DisplayPort – therefore a USB-C to mini-DisplayPort cable will not work! It needs to be an actual Thunderbolt 2 source.

          share|improve this answer

          • Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
            – user71659
            Nov 29 at 2:50

          • 1

            @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
            – jksoegaard
            Nov 29 at 8:39

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          2 Answers
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          active

          oldest

          votes

          2 Answers
          2

          active

          oldest

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          active

          oldest

          votes

          active

          oldest

          votes

          up vote
          7
          down vote

          You’re not going to find a Thunderbolt 3 to Thunderbolt 2 cable as an adapter is required to connect to legacy devices.

          One of the (major) differentiators between Thunderbolt 1/2 and Thunderbolt 3 is that Thunderbolt 1/2 required the cable to be active (it required power to operate) whereas Thunderbolt 3 can use standard USB Type C cables (it’s passive)1.

          With these older Thunderbolt standards, the cable was active, meaning
          the cable itself is a device that requires power to operate (which is
          why most Thunderbolt 1 or 2 devices would require an external power
          source in order to function.)

          Thunderbolt 3 is backward compatible, but will require an adapter.2

          From the FAQ:

          Is Thunderbolt 3 backwards compatible with Thunderbolt and Thunderbolt 2?

          Yes, solutions and products built to Thunderbolt and Thunderbolt 2 specifications will work with Thunderbolt 3 via an adapter.

          (emphasis mine)

          To make your setup work, something like the StarTech TBT3TBTADAP TB 3 to Legacy TB adapter.

          StarTech TBT3TBTADAP

          I’ve personally used this adapter to connect a 2018 MacBook Pro to a legacy (Thunderbolt 1) WD MyBook Duo and it worked with no issues.


          Note

          This kind of adapter is only compatible with Thunderbolt devices, not Mini DisplayPort.


          1C|Net: USB Type-C and Thunderbolt 3: One port to connect them all

          2Thunderbolt Technology Frequently Asked Questions

          share|improve this answer

          • 2

            I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
            – jksoegaard
            Nov 28 at 21:28

          • @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
            – Allan
            Nov 28 at 21:36

          • 2

            Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
            – jksoegaard
            Nov 28 at 21:48

          • 2

            @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
            – Tim
            Nov 29 at 0:03

          • @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
            – jksoegaard
            Nov 29 at 8:38

          up vote
          7
          down vote

          You’re not going to find a Thunderbolt 3 to Thunderbolt 2 cable as an adapter is required to connect to legacy devices.

          One of the (major) differentiators between Thunderbolt 1/2 and Thunderbolt 3 is that Thunderbolt 1/2 required the cable to be active (it required power to operate) whereas Thunderbolt 3 can use standard USB Type C cables (it’s passive)1.

          With these older Thunderbolt standards, the cable was active, meaning
          the cable itself is a device that requires power to operate (which is
          why most Thunderbolt 1 or 2 devices would require an external power
          source in order to function.)

          Thunderbolt 3 is backward compatible, but will require an adapter.2

          From the FAQ:

          Is Thunderbolt 3 backwards compatible with Thunderbolt and Thunderbolt 2?

          Yes, solutions and products built to Thunderbolt and Thunderbolt 2 specifications will work with Thunderbolt 3 via an adapter.

          (emphasis mine)

          To make your setup work, something like the StarTech TBT3TBTADAP TB 3 to Legacy TB adapter.

          StarTech TBT3TBTADAP

          I’ve personally used this adapter to connect a 2018 MacBook Pro to a legacy (Thunderbolt 1) WD MyBook Duo and it worked with no issues.


          Note

          This kind of adapter is only compatible with Thunderbolt devices, not Mini DisplayPort.


          1C|Net: USB Type-C and Thunderbolt 3: One port to connect them all

          2Thunderbolt Technology Frequently Asked Questions

          share|improve this answer

          • 2

            I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
            – jksoegaard
            Nov 28 at 21:28

          • @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
            – Allan
            Nov 28 at 21:36

          • 2

            Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
            – jksoegaard
            Nov 28 at 21:48

          • 2

            @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
            – Tim
            Nov 29 at 0:03

          • @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
            – jksoegaard
            Nov 29 at 8:38

          up vote
          7
          down vote

          up vote
          7
          down vote

          You’re not going to find a Thunderbolt 3 to Thunderbolt 2 cable as an adapter is required to connect to legacy devices.

          One of the (major) differentiators between Thunderbolt 1/2 and Thunderbolt 3 is that Thunderbolt 1/2 required the cable to be active (it required power to operate) whereas Thunderbolt 3 can use standard USB Type C cables (it’s passive)1.

          With these older Thunderbolt standards, the cable was active, meaning
          the cable itself is a device that requires power to operate (which is
          why most Thunderbolt 1 or 2 devices would require an external power
          source in order to function.)

          Thunderbolt 3 is backward compatible, but will require an adapter.2

          From the FAQ:

          Is Thunderbolt 3 backwards compatible with Thunderbolt and Thunderbolt 2?

          Yes, solutions and products built to Thunderbolt and Thunderbolt 2 specifications will work with Thunderbolt 3 via an adapter.

          (emphasis mine)

          To make your setup work, something like the StarTech TBT3TBTADAP TB 3 to Legacy TB adapter.

          StarTech TBT3TBTADAP

          I’ve personally used this adapter to connect a 2018 MacBook Pro to a legacy (Thunderbolt 1) WD MyBook Duo and it worked with no issues.


          Note

          This kind of adapter is only compatible with Thunderbolt devices, not Mini DisplayPort.


          1C|Net: USB Type-C and Thunderbolt 3: One port to connect them all

          2Thunderbolt Technology Frequently Asked Questions

          share|improve this answer

          You’re not going to find a Thunderbolt 3 to Thunderbolt 2 cable as an adapter is required to connect to legacy devices.

          One of the (major) differentiators between Thunderbolt 1/2 and Thunderbolt 3 is that Thunderbolt 1/2 required the cable to be active (it required power to operate) whereas Thunderbolt 3 can use standard USB Type C cables (it’s passive)1.

          With these older Thunderbolt standards, the cable was active, meaning
          the cable itself is a device that requires power to operate (which is
          why most Thunderbolt 1 or 2 devices would require an external power
          source in order to function.)

          Thunderbolt 3 is backward compatible, but will require an adapter.2

          From the FAQ:

          Is Thunderbolt 3 backwards compatible with Thunderbolt and Thunderbolt 2?

          Yes, solutions and products built to Thunderbolt and Thunderbolt 2 specifications will work with Thunderbolt 3 via an adapter.

          (emphasis mine)

          To make your setup work, something like the StarTech TBT3TBTADAP TB 3 to Legacy TB adapter.

          StarTech TBT3TBTADAP

          I’ve personally used this adapter to connect a 2018 MacBook Pro to a legacy (Thunderbolt 1) WD MyBook Duo and it worked with no issues.


          Note

          This kind of adapter is only compatible with Thunderbolt devices, not Mini DisplayPort.


          1C|Net: USB Type-C and Thunderbolt 3: One port to connect them all

          2Thunderbolt Technology Frequently Asked Questions

          share|improve this answer

          share|improve this answer

          share|improve this answer

          edited Dec 1 at 11:45

          user3439894

          26.6k64060

          26.6k64060

          answered Nov 28 at 20:01

          Allan

          40.9k1258151

          40.9k1258151

          • 2

            I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
            – jksoegaard
            Nov 28 at 21:28

          • @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
            – Allan
            Nov 28 at 21:36

          • 2

            Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
            – jksoegaard
            Nov 28 at 21:48

          • 2

            @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
            – Tim
            Nov 29 at 0:03

          • @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
            – jksoegaard
            Nov 29 at 8:38

          • 2

            I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
            – jksoegaard
            Nov 28 at 21:28

          • @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
            – Allan
            Nov 28 at 21:36

          • 2

            Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
            – jksoegaard
            Nov 28 at 21:48

          • 2

            @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
            – Tim
            Nov 29 at 0:03

          • @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
            – jksoegaard
            Nov 29 at 8:38

          2

          2

          I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
          – jksoegaard
          Nov 28 at 21:28

          I would recommend the Apple adapter from my answer instead as it is cheaper, and I have actually verified that it works with Target Display Mode!
          – jksoegaard
          Nov 28 at 21:28

          @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
          – Allan
          Nov 28 at 21:36

          @jksoegaard – I tend to not recommend Apple branded adapters/dongles because they have a high tenancy to fail and the reviews on the Apple store seem to confirm my experiences.
          – Allan
          Nov 28 at 21:36

          2

          2

          Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
          – jksoegaard
          Nov 28 at 21:48

          Sounds like anecdotal evidence – my experience is the contrary. We have used many different types of Apple adapters/dongles in my company, and we’ve had very low failure rates. In particular, we haven’t yet had a failed Thunderbolt 3 to Thunderbolt 2 adapter. Do you have any statistics to back up that Apple’s hardware is subpar to StarTech?
          – jksoegaard
          Nov 28 at 21:48

          2

          2

          @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
          – Tim
          Nov 29 at 0:03

          @jksoegaard as Allan said, the reviews on Apple adaptors are often rather low. I’d also like to point out that you dismissed his comment by saying it was anecdotal and proceeded to provide more anecdotal evidence. Do you have statistics?
          – Tim
          Nov 29 at 0:03

          @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
          – jksoegaard
          Nov 29 at 8:38

          @Tim I know it is anecdotal – that was the point. Two anecdotes that are conflicting – doesn’t really help anyone. What is necessary is statistics in order to generally claim that Apple’s adapters fails more often than other brands. If I had statistics, I would have posted them.
          – jksoegaard
          Nov 29 at 8:38

          up vote
          6
          down vote

          I don’t think a straight-up cable exists, no. However, you can get an adapter/dongle that works perfectly well for your scenario. You’ll need to Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter:

          https://www.apple.com/us_smb_83039/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter

          You can read more about the adapter here:

          https://support.apple.com/en-gb/HT207266

          Note that Target Display Mode is not using the same kind of signal as mini-DisplayPort – therefore a USB-C to mini-DisplayPort cable will not work! It needs to be an actual Thunderbolt 2 source.

          share|improve this answer

          • Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
            – user71659
            Nov 29 at 2:50

          • 1

            @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
            – jksoegaard
            Nov 29 at 8:39

          up vote
          6
          down vote

          I don’t think a straight-up cable exists, no. However, you can get an adapter/dongle that works perfectly well for your scenario. You’ll need to Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter:

          https://www.apple.com/us_smb_83039/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter

          You can read more about the adapter here:

          https://support.apple.com/en-gb/HT207266

          Note that Target Display Mode is not using the same kind of signal as mini-DisplayPort – therefore a USB-C to mini-DisplayPort cable will not work! It needs to be an actual Thunderbolt 2 source.

          share|improve this answer

          • Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
            – user71659
            Nov 29 at 2:50

          • 1

            @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
            – jksoegaard
            Nov 29 at 8:39

          up vote
          6
          down vote

          up vote
          6
          down vote

          I don’t think a straight-up cable exists, no. However, you can get an adapter/dongle that works perfectly well for your scenario. You’ll need to Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter:

          https://www.apple.com/us_smb_83039/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter

          You can read more about the adapter here:

          https://support.apple.com/en-gb/HT207266

          Note that Target Display Mode is not using the same kind of signal as mini-DisplayPort – therefore a USB-C to mini-DisplayPort cable will not work! It needs to be an actual Thunderbolt 2 source.

          share|improve this answer

          I don’t think a straight-up cable exists, no. However, you can get an adapter/dongle that works perfectly well for your scenario. You’ll need to Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter:

          https://www.apple.com/us_smb_83039/shop/product/MMEL2AM/A/thunderbolt-3-usb-c-to-thunderbolt-2-adapter

          You can read more about the adapter here:

          https://support.apple.com/en-gb/HT207266

          Note that Target Display Mode is not using the same kind of signal as mini-DisplayPort – therefore a USB-C to mini-DisplayPort cable will not work! It needs to be an actual Thunderbolt 2 source.

          share|improve this answer

          share|improve this answer

          share|improve this answer

          answered Nov 28 at 19:14

          jksoegaard

          14.3k1640

          14.3k1640

          • Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
            – user71659
            Nov 29 at 2:50

          • 1

            @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
            – jksoegaard
            Nov 29 at 8:39

          • Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
            – user71659
            Nov 29 at 2:50

          • 1

            @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
            – jksoegaard
            Nov 29 at 8:39

          Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
          – user71659
          Nov 29 at 2:50

          Re: signal for target display mode, it is either Thunderbolt or DisplayPort, depending on generation.
          – user71659
          Nov 29 at 2:50

          1

          1

          @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
          – jksoegaard
          Nov 29 at 8:39

          @user71659 Yes, but this question is about the mid-2011 iMac, which uses Thunderbolt – and not a mini-DisplayPort signal.
          – jksoegaard
          Nov 29 at 8:39

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