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Toshiba Intros 19 nm NAND Flash-based SSDs

Discussion in 'News' started by btarunr, Jun 4, 2012.

  1. btarunr

    btarunr Editor & Senior Moderator Staff Member

    Oct 9, 2007
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    Hyderabad, India
    Toshiba announced the first SSDs based on its swanky new 19 nm-class NAND flash memory. These include four models in the 2.5-inch 9.5 mm-thick form-factor (standard), another four models in the 2.5-inch 7 mm-thick form-factor (slim, for Ultrabooks); and three models in the super-compact mSATA form-factor. The 9.5 mm-thick and 7 mm-thick 2.5-inch models differ only with their thickness, and are otherwise identical, since SSDs are essentially just printed circuit boards with NAND flash memory, controllers, caches, and ancillary components soldered onto them.

    The 9.5 mm-thick 2.5-inch models carry the model number scheme THNSNFxxxGBSS (xxx = number of GB capacity), while the 7 mm-thick 2.5-inch models use THNSNFxxxGCSS. Both lines are available in 64 GB, 128 GB, 256 GB, and 512 GB capacities. The 128, 256, and 512 GB models offer transfer rates as high as 524 MB/s, while the 64 GB model offers up to 440 MB/s. Toshiba implemented a new controller that features next-generation Deterministic Zeroing TRIM (a feature exclusive with Windows 8 and future *nix kernels), Quadruple Swing-by Code (QSBC), a performance-optimized ECC-equivalent, and a read-only mode. The mSATA models (model number scheme THNSNFxxxGMCS) offer similar performance to their 2.5-inch cousins, but are available in only three capacity options, 64 GB, 128 GB, and 256 GB. Toshiba will release its new line of SSDs in August.


    Source: Hermitage Akihabara
    Last edited: Jun 4, 2012
  2. Prima.Vera


    Sep 15, 2011
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    Transfer rates are OK, but the MOST important things are the READ rates. I wonder how much are those...
  3. v12dock


    Dec 18, 2008
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    I think this is the first consumer sub 20nm product I have seen
  4. Morgoth


    Aug 4, 2007
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    i hope the prices is low to..
    10 Year Member at TPU

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