https://newatlas.com/samsung-4bit-qlc-4tb-consumer-ssd-mass-production/55792/

Just over a decade ago, Samsung announced the imminent arrival of the first laptops to come with 32 GB NAND flash storage. Now the company is set to shake up the storage tree again as it goes into mass production of the first consumer-level 4-bit, 4 TB SATA solid state drive, signaling a possible turning point for high capacity home storage.