The 512Gbit device has  3-bit-per-cell (TLC) technology.

It is based on the third generation 64-layer stacking process featuring 65%  greater bit density per mm2 than Toshiba’s 48-layer, 256GB (32 gigabyte) device.

Toshiba is currently migrating all client, data center and enterprise SSDs to the newest BiCS FLASH 64-layer 3D memory.