Add-on PCI to SATA vs SATA Controller

I'm trying to find a good PCI to SATA card for my old HP Desktop that does not have any of sort. This PC is for downloading and miscellaneous maintenance on my main Tower with little care to have RAID on this computer. When I did a brows at Newegg, I found some card that's considered Add-on card and other as SATA Controller cards. What's the difference is them?
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  1. They seem like the same thing to me.

    Perhaps an example would help?
  2. They are both controllers, an add-on would be an extension of the motherboard controller to the back of the case.
    So youd be better getting the second one which has more positive feedback.
  3. So are saying the add-on card works with the motherboard's built SATA controller if there already was a SATA system setup and SATA Controller is an independent system that works with the motherboard without any SATA system built in?
  4. SiDE said:
    So are saying the add-on card works with the motherboard's built SATA controller if there already was a SATA system setup and SATA Controller is an independent system that works with the motherboard without any SATA system built in?



    Yes, the addon is using the motherboard SATA controller(it is connected to sata ports on the motherboard), while a SATA controller is independant and uses the pci bus power. Its is not connected to sata prots on the motherboard like the add on.

    Both cards you pointed are controllers.

    Hers an example of an add-on sata:

    http://www.newegg.com/Product/Product.aspx?Item=N82E16812206003
  5. Cool thanks. Is it worth it to go for the controller that interfaces at 3Gb/s?
  6. If you wont do RAID it doesnt really matter . A single hard drive will never reach that roof.
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