The ‘new’ 970 Evo Plus was first tested by a Chinese YouTube channel (whose video on the topic does have English subtitles, if you want to watch). It’s unclear if the new model is exclusive to China or Asia, or if it’s being distributed globally.
https://www.techspot.com/news/90998-samsung-swapping-parts-their-970-evo-plus-ssds.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/90998-samsung-swapping-parts-their-970-evo-plus-ssds.html?utm_source=dlvr.it&utm_medium=blogger