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    My X220 SSD is only 145 GB Vs 160 GB ordered?

    Discussion in 'Lenovo' started by Love_laptop, Feb 4, 2012.

  1. Love_laptop

    Love_laptop Notebook Enthusiast

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    I just received by X220 with SSD. The capacity shows 145 GB. What i ordered is 160 GB. My order says as below

    (SBB INT160GB SLD STTDRV,SRLATA). Where is the remaining 15GB?
     
    Love_laptop, Feb 4, 2012
    #1
  2. sniper_sung

    sniper_sung Notebook Evangelist

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    The user accessible capacity is 160 GB / 1.024^3 = 149 GB (due to first level over-provisioning for most current SSD), and the recovery partition would take up some space.
     
    sniper_sung, Feb 4, 2012
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  3. JWBlue

    JWBlue Notebook Deity

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    I am not an expert, but I don't think a user gets use of all the capacity on any hard drive.

    Enjoy the x220.
     
    JWBlue, Feb 4, 2012
    #3
  4. John Ratsey

    John Ratsey Moderately inquisitive Super Moderator

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    It's an old problem. Manufacturers think that 1GB = 1000^3 while computers think that 1GB = 1024^3. The difference between 1000 and 1024 isn't much, but when it is cubed then it becomes qjuite substantial and will get worse as Terrabyte storage becomes commonplace.

    John
     
    John Ratsey, Feb 5, 2012
    #4
  5. Love_laptop

    Love_laptop Notebook Enthusiast

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    thank you all. i am now shopping for an additional SSD. Need more space
     
    Love_laptop, Feb 5, 2012
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  6. sgogeta4

    sgogeta4 Notebook Nobel Laureate

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    Get a regular HDD for storage, it's much more cost effective. A single SSD and HDD is a much better solution for majority of users as opposed to two SSDs.
     
    sgogeta4, Feb 5, 2012
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  7. sniper_sung

    sniper_sung Notebook Evangelist

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    Intel 320 Series 600GB (7mm, part number ending with 301)
    Samsung 830 512GB
    Crucial M4 512GB (7mm version)

    Note that the user accessible capacity is always divided by 1.024^3.
     
    sniper_sung, Feb 5, 2012
    #7