It's hard to determine with certainty which cards were confiscated as they lack the stickers and branding we are used to seeing. This video shows they do not have any video outputs, leading us to believe these are indeed Nvidia CMP series cards.
https://www.techspot.com/news/89179-hong-kong-authorities-seize-300-nvidia-cmp-mining.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/89179-hong-kong-authorities-seize-300-nvidia-cmp-mining.html?utm_source=dlvr.it&utm_medium=blogger