Your assumption is correct. Those docks are all based on the Goodway DBD1100 [1]. When I was researching which dock to purchase myself, I came across this compr

Your assumption is correct. Those docks are all based on the Goodway DBD1100 [1]. When I was researching which dock to purchase myself, I came across this comprehensive list [2] of Thunderbolt docks which was super informative. [1] http://www.goodway.com.tw/prodimg/edm/DBD1100.pdf http://www.goodway.com.tw/prodimg/edm/DBD1100.pdf [2] https://dancharblog.wordpress.com/2021/02/05/usb4-tb4-docks/ https://dancharblog.wordpress.com/2021/02/05/usb4-tb4-docks/