Unshielded SSD Sata Cable

Discussion in 'SSD and HDD storage' started by teots, Jun 9, 2024.

  1. teots

    teots Master Guru

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    I used to assumed my ssd sata cables that come with motherboard are shielded with aluminum foils. But after i replaced them with aftermarket shielded ones, i strip the cable sleeve of my ols ssd sata cable that bundled with motherboard.
    To my surprise, there were shielded with plastic tubing leaving them exposed to electric field/electronic magnetic field.
    Without knowing, i might have playing/using my playstation computer with corrupted datas. I have took a picture of it, kindly share your opinions. :)

    WIN_20240610_02_42_00_Pro.jpg WIN_20240610_01_38_23_Pro.jpg
     
    Last edited: Jun 11, 2024
  2. rflair

    rflair Don Coleus Staff Member

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    Its your money to waste.
     
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  3. RealNC

    RealNC Ancient Guru

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    Corrupted datas are the worst. We're being sprayed with chem trails which corrupts them further.
     
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  4. wavetrex

    wavetrex Ancient Guru

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    Not possible to have "corrupted" data.
    The SATA controllers verify checksums for the data packets at each end of the cable, and sends a retry command. If it happens too many times, it just drops connection (hard-drive disappears)

    i.e., if the cable is working fine (shielded or not), the data will always be transmitted 100% correct, if it's not, you just get the drive disconnected.

    Shielded is still useful for longer ones ( 1m ), eg. server cables ( I have several of those, they are really REALLY long compared to normal cables coming with a consumer motherboard )
     
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  5. insp1re2600

    insp1re2600 Ancient Guru

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    whole new thing to blame for losing at games :D
     
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  6. Truder

    Truder Ancient Guru

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    You do get degraded performance if data is being corrupted during transmission and it's having to go through error correction (so sata speeds can drop from 500MB/s to literally single digit KB/s.

    I've had problems with faulty cables in the past though, SATA cables seem to "wear out" for lack of a better description (maybe corrosion or perhaps heating/cooling causing damage over time) and a typical sign of a failing cable is the "delayed write failure" error.

    Obviously teots doesn't fully understand what corrupted data entails - if you had corrupted data, your system would be unstable/even inoperable, such as having BSODs.
     
  7. teots

    teots Master Guru

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    For anyone who are interested, i posted a wikipedia link on sata's specifications.
    And from picture and ink, show a fully double shielded sata cable compared to the one i had.

    https://en.wikipedia.org/wiki/SATA

    SATA3-TwinAxCable.jpg

    SATA cable showing the two foil shielded differential pairs.
     
  8. Astyanax

    Astyanax Ancient Guru

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    You will get DMA Errors, and a drop to Multiword mode before that happens.

    Delayed write is a mechanical defect or integrity of the platter, not an PHY layer sata issue.
     
  9. Truder

    Truder Ancient Guru

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    Nope, I've personally experienced bad cables causing this hence why I stated it and it has occurred quite a few times too, really weird when it happens because you would indeed think mechanical failure but nope, cables can go bad over time.
     
  10. teots

    teots Master Guru

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    Of course i know, corrupted data are ruined data that can't be use properly. I'm talking about
    corrupted data unknown to the user. ;)

    You seem to experience quite often cables issue, do you live in dead desert or south pole ? :)
    I recommend you to get sata cables from aliexpress. The better ones are well made and durable, just take advantage of your currency exchange rate.
     

  11. Astyanax

    Astyanax Ancient Guru

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    Port reset might occur with errors under MW-DMA, didn't consider that.
     

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