https://www.cnet.com/news/samsungs-huge-new-4tb-ssd-drives-enter-mass-production/

Samsung has announced mass-production of 4TB consumer SSDs, aimed at improving storage for laptops and other devices. 

Samsung hasn't released official pricing for the in-production drives, but its 4TB 860 Evo is currently selling for over $1000. By comparison, you can get a 4TB mechanical drive for $100.