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Toshiba Shrinks NAND to 19nm

by: admin Tuesday, June 5th, 2012

Toshiba has just announced 19nm NAND flash modules, meaning that cheaper SSDs are on the way from the Japanese manufacturer. With more memory cells on the same area, it is possible to increase capacity and reduce manufacturing costs. The downside is – as always where NAND manufacturing shrinkage is involved – less durability.

Toshiba NANDThe first range of new drives to be introduced are 2.5-inch models with a thicknesses of 9.5 mm (standard size) and 7 mm (thinner size for notebooks/ultrabooks). These will be available in 64, 128, 256 and 512 GB capacities and connect over the SATA III 6.0 Gbps interface. As an additional alternative for small form-factor laptops, mSATA cards with capacities ranging from 64 GB to to 256 GB of storage are introduced.

According to Toshiba, the 128-512 GB units are capable of sequential transfer rates of up to 524 MB/s, while the low-capacity 64 GB variants offer 440 MB/s. All drives support Deterministic Zeroing TRIM, which shows up in Windows 8 and upcoming NIX kernels as QSBC ECC and read-only mode.

Model Numbers and Capacities

THNSNF064GBSS              64 GB    SATA 6.0 Gbps   9.5 mm (2.5 “)

THNSNF128GBSS              128 GB  SATA 6.0 Gbps   9.5 mm (2.5 “)

THNSNF256GBSS              256 GB  SATA 6.0 Gbps   9.5 mm (2.5 “)

THNSNF512GBSS              512 GB  SATA 6.0 Gbps   9.5 mm (2.5 “)

THNSNF064GCSS              64 GB    SATA 6.0 Gbps   7.0 mm (2.5 “)

THNSNF128GCSS              128 GB  SATA 6.0 Gbps   7.0 mm (2.5 “)

THNSNF256GCSS              256 GB  SATA 6.0 Gbps   7.0 mm (2.5 “)

THNSNF512GCSS              512 GB  SATA 6.0 Gbps   7.0 mm (2.5 “)

THNSNF064GMCS            64 GB    mSATA 30 x 51 mm

THNSNF128GMCS            128 GB  mSATA 30 x 51 mm

THNSNF256GMCS            256 GB  mSATA 30 x 51 mm

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