32-Layer, 3-D, 3 Bit-Per-Cell, 128G-Bit NAND Flash In Q3

Samsung sees 3D NAND (V-NAND) going to 100 layers and Tbit capacities.

A 256Gbit chip is expected next year.

A 32-layer 128Gbit 3bit-per cell memory is scheduled for September.

Samsung says that 3D NAND is cheaper to make than planar NAND and the cost per GByte will continue to drop.

Samsung is putting 3D NAND into SSDs of 128Gbytes, 256gbyte, 512Gbyte and TByte densities.

Samsung says using 3D NAND for SSDs reduces power by 40 % compared to using planar NAND.

Read speed of the 3D NAND-based SSDs is 550MB/s with write speed of 520MB/s


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