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MSI USB3.0/SATA6GB/s Expansion Slot Why SATA?

Take a look at this.

http://uk.msi.com/product/mb/Star-USB3-SATA6.html

I was first drawn to it by the fact that, unlike many others, MSI has added a slick-looking cover to this PCI-e x4 expansion card. A USB PCI-e expansion is pretty common, I see them a lot but...

I see there are two internal SATA connectors on the interior of the card. What is the purpose of this? Does it speed up transfer to the HDD?
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More about usb3 sata6gb expansion slot sata
  1. I noticed covers on my msi card for the hdmi, and the slot contacts below. Pretty slick and a good way to protect them and discourage handling in the wrong area. Just like ram, you're not supposed to touch the contact area.
  2. Best answer
    tprezzle said:

    I see there are two internal SATA connectors on the interior of the card. What is the purpose of this? Does it speed up transfer to the HDD?


    Take a look here:

    http://serverfault.com/questions/11633/whats-the-bandwidth-and-form-factor-for-pcie-x1-x4-x8-and-x16

    The PCIE X4 slot provides approximately 800MB/s of bandwidth. The purpose of the internal SATA connectors are if you need extra SATA ports (say if you have a lot of SATA HDD's, and need more SATA port connections). It doesn't necessarily speed up transfers. However even 2 HDD's would never fill up that bandwidth (it would be close to around 300MB/s).

    Basically only get this if you need USB3/ and or need extra SATA ports. It's actually quite a nice card.
  3. It uses a marvel 9128 controller. You dont really want this to begin with. It has known issues. If you use marvel look for the 9182 controller.
  4. Best answer selected by tprezzle.
  5. Much obliged :) I thought they were in relation to the USB ports. It's a nice idea having extra SATA ports inside the case!
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