Will this adapter allow the newer LG USB-C/Thunderbolt 3 monitors to be used with the Older 2011 MBP Thunderbolt 1 ports?

I'm not quite ready to upgrade the 2011 MBP yet, but I want an external monitor. I want to get one of the new 4K or 5K LG displays that will power the new 2016 MBPs so I'm all set when I do upgrade my Mac, but I'll need to run my 2011 MBP with it for a while.

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  • The document HT207448 "Use the LG UltraFine 5K Display with your Mac" on Apple's website says it works with Thunderbolt 2 Macs at 4K. It does not mention Thunderbolt 1 Macs.

    The document HT207447 "Use the LG UltraFine 4K Display with your MacBook or MacBook Pro" says USB-C is required and will not work with Thunderbolt 2 Macs. It does not mention the adapter, or Thunderbolt 1 Macs.

    The MacBook (Retina, 12-inch, Early 2015) has USB-C but does not have Thunderbolt, and is mentioned as compatible with the 4K display at 48Hz. This means that the 4K display is not Thunderbolt. Therefore, I would try a USB-C to mini DisplayPort cable. Note that DisplayPort does not pass USB signals from the monitor.

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