Solid Apple quality, and the price is very reasonable compared to other similar adapters.

Yes, there are (much) cheaper options, but the build quality on this is quite good and there are no concerns about compatability or reliability.

good quality working with Thunderdisplay, does not work chaining with thunder to display port adaptor to my 4k display

good quality working with Thunderdisplay, does not work chaining with thunder to display port adaptor to my 4k display

Works like a charm both for connecting my old 27" Thunderbolt monitor as well as for Lacie 2TB rugged external thunderbolt hard drive

This means that it can be used to connect TB3 devices to an older computer with only a TB2 port, such as my 2013 Macbook Pro (as well as