Comment by chx
3 years ago
It was possible on Thunderbolt 2 , on the Mac side OS X Mavericks enabled it, this Intel whitepaper from 2014 talks about the Windows side. https://www.thunderbolttechnology.net/sites/default/files/Th...
https://www.gigabyte.com/Press/News/1140 this doesn't mention it and the Intel whitepaper specifically requires TB2 so I would guess TB2 was it.
Pity Thunderbolt 2 is basically non-existent nowadays. I have a few Macbook Pro 13 (2015) and I'd love to be able to use the thunderbolt 2 ports, but peripherals were too expensive and the standard short-lived. Try finding a thunderbolt 2 dock anywhere. Filter out all the false-positives (USB-C docks) and the are maybe 10 total on ebay, and they're stupidly expensive for 6+ year old used devices, most without cables or power supplies. Such a pity because they can really extend the useful life of those laptops.
TB3 is backwards compatible so you can use the Apple TB2 to 3 adapter in conjunction with a TB2 cable to hook up any TB3 device to your MBP 2015. I had the mid-2015 15" MBP and used the adapter to hook up an external GPU. If that can work I'm sure a TB3 dock will.
So this is bidirectional!
https://www.apple.com/shop/product/MMEL2AM/A/thunderbolt-3-u...
Nice one Apple. I think I'll buy this, a cable and a cheap tb3 dock.
It’s the beauty and elegance of the PCIe design. Thunderbolt just provides convenient ported access to those lanes.
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