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Identical drives for varying prices?

I'm looking for a 128GB Crucial M4, and I'm seeing on newegg that 5 drives fit that exact description, seemingly with no differences aside from their price tag. What am I missing here?
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  1. Best answer
    CT064M4SSD1 = 7mm height drive.
    CT064M4SSD2 = 9.5mm height drive.
    CT064M4SSD1CCA = 7mm height drive, Data Transfer Kit included.
    CT064M4SSD2CCA = 9.5mm height drive, Data Transfer Kit included.
    CT064M4SSD2BAA = 9.5mm height drive, 3.5 inch adaptor bracket included.
  2. Sorry, those 5 models I listed were the 64GB drives, not the 128GB that you were asking about.

    I assume the same differences apply to the 128GB models.
  3. Dereck47 said:
    CT064M4SSD1 = 7mm height drive.
    CT064M4SSD2 = 9.5mm height drive.
    CT064M4SSD1CCA = 7mm height drive, Data Transfer Kit included.
    CT064M4SSD2CCA = 9.5mm height drive, Data Transfer Kit included.
    CT064M4SSD2BAA = 9.5mm height drive, 3.5 inch adaptor bracket included.


    Ah, I knew it would be something simple. I never thought to look at drive height. Is one for a laptop and one for a desktop or something?

    And the data transfer kit is only necessary if I'm switching from an HDD to an SSD, right?
  4. AntaresX said:
    Ah, I knew it would be something simple. I never thought to look at drive height. Is one for a laptop and one for a desktop or something?


    Yeah, the 7mm is for laptops.

    Quote:
    And the data transfer kit is only necessary if I'm switching from an HDD to an SSD, right?


    Right. Or you can use it if you're switching from another SSD.
  5. Quote:
    Yeah, the 7mm is for laptops.


    Slight elaboration on that statement :) ; It's for some laptops. most standard sized/larger sized laptops are 9mm. The ultrabooks and thin laptops sometimes need 7.
    If you have a 9mm slot, you can put a 7mm drive in there, but not the other way around. :)
  6. It all makes sense now. Final question, for a new build which of these two do I want? I don't know what exactly an adapter bracket is for but I assume the more expensive one comes with one.

    Crucial M4 CT128M4SSD2BAA $129.99
    Crucial M4 CT128M4SSD2 $149.99
  7. Most pc cases have 3.5" drive bays to insert hard disk drives into.
    SSDs are smaller than HDDs so you need an adapter so that they will fit securely in the drive bay.

    If you have a newer pc case it may have drive bays for SSDs as well as HDDs in which case you don’t need an adapter.
  8. AntaresX said:
    It all makes sense now. Final question, for a new build which of these two do I want? I don't know what exactly an adapter bracket is for but I assume the more expensive one comes with one.

    Crucial M4 CT128M4SSD2BAA $129.99
    Crucial M4 CT128M4SSD2 $149.99



    Get the first one. It has the 3.5 adapter, so you'd think it'd cost more, but apparently due to a newegg sale its cheaper. Same drive, just an extra part that you probably need anyway, and if not can go in the spare parts box.
  9. Best answer selected by AntaresX.
  10. unksol said:
    Get the first one. It has the 3.5 adapter, so you'd think it'd cost more, but apparently due to a newegg sale its cheaper. Same drive, just an extra part that you probably need anyway, and if not can go in the spare parts box.


    Much appreciated, thank you.
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