NAND flash overview
NAND flash rapidly changes in technology nodes and number of bits per cell, ever increasing the user capacity while constantly reducing the cost per bit.
The main differentiator of NAND flash is the number of bits per cell.
· SLC (single level cell) stores 1 bit per cell
· MLC (multiple level cell) stores 2 bits per cell
· TLC (triple level cell) stores 3 bits per cell
· QLC (quadruple level cell) stores 4 bits per cell
The reliability and retention of each programmed level shrinks with each additional bit.
Swissbit continues to ship products with SLC, MLC, and 3D NAND TLC technology.