Bye Bye MLC: QLC and TLC to be dominant SSD technologies amidst AI's ravenous appetite for NAND — and PLC won't probably happen till the era of Petabyte SSDs

321-layer NAND chip from Hynix.

• MLC NAND now serves industrial, automotive, medical, and networking equipment exclusively
• Samsung’s exit leaves MLC supply gaps that competitors partially fill
• TLC and QLC increasingly handle consumer and enterprise storage demand

As storage technologies evolve to meet growing data demands, the trajectory of NAND Flash memory is undergoing a clear shift.