Setting up AHCI for new SSD, completely clueless


  1. ricko99
    Posts : 6
    Windows 7 Ultimate 32 Bit
       New #1

    Setting up AHCI for new SSD, completely clueless


    I got myself a new Intel 520 SSD today and managed to migrate my Windows perfectly. However the write speed of the SSD is only 180m/b on crystalmark and not about 500m/b like what it is advertised. I saw that by changing to AHCI mode, the write speed will be back to normal. As of current, my SSD is under raid mode. I tried changing it to AHCI and IDE mode but my windows gave me BSOD at the windows orb loading screen.

    On my device manager, I only have SATA RAID controller and no IDE ATAPI controller like most device manager screenshot i've seen



    Can anyone help me with this issue? I'm really clueless at this AHCI stuff
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  3. ricko99
    Posts : 6
    Windows 7 Ultimate 32 Bit
    Thread Starter
       New #2

    Nvm solved it by going to safe mode.
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  4. GokAy
    Posts : 5,656
    Windows 7 Ultimate x64 SP1
       New #3

    Best to have it as AHCI even though IDE works too.

    Enable AHCI in registry:
    AHCI : Enable in Windows 7 / Vista

    then change to AHCI in BIOS.
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  6. AddRAM
    Posts : 13,576
    Windows 10 Pro x64
       New #4

    You`ll never get good performance out of that Intel, my 530 is terrible. I just use it for storage

    This is what you want.

    SSD 850 EVO 2.5" SATA III 250GB | Samsung Solid State Drives

    or if you can afford more get the Pro

    SSD 850 PRO 2.5â
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