Second time's a charm? WD tries again with 3D NAND, doubles capacity

Second generation 64-layer flash chip goes to 512Gbit

WD is firing up an early production run of its 512Gbit 64-layer 3D NAND chip at its Yokkaichi, Japan, foundry, with its partner Toshiba. The silicon uses a triple-level cell (TLC) flash design, which stores 3 bits per cell."