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    Case that support internal USB 3 Header


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    #21 dagamer34

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    Posted 13 May 2011 - 07:38 PM

    I'm not 100% sure, but I heard PCI express bus is slower than native USB 3. If this is true, it may be better to use the native USB connector from your MB than to use a PCIe adaptor.


    Technically speaking, yes it is slower. PCI-Express 2.0 x1 only has 4Gbps of bandwidth (500MB/s) whereas the USB 3.0 standard can go up to 4.8Gbps, and the bandwidth is shared across those two ports. In reality, the speed difference compared to USB 2.0 is so striking that I don't think it would even matter. Plus, you'd actually need to have a transfer that is saturating the bus, and unless you're transferring data from a 6Gbps SSD hooked up via USB 3.0 to an internal 6Gbps SSD, the hard drive itself is going to be your bottleneck.
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    #22 ImTheTypeOfGuy

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    Posted 22 August 2011 - 06:29 PM

    Finally found a USB 3.0 header for the Asus Sabertooth board. It also corrected most of the USB problems I was having. I was about to throw away the sabertooth board. Now it is working fine with the 3.0 connectors.
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    #23 no-control

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    Posted 23 August 2011 - 10:57 AM

    Where? Link?
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    #24 ImTheTypeOfGuy

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    Posted 23 August 2011 - 08:35 PM

    http://us.estore.asu...t_detail&p=3536

    You can remove the metal bracket. Works like a champ.
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    #25 no-control

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    Posted 25 August 2011 - 01:04 AM

    sweet deal thx
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    #26 ikon

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    Posted 01 September 2011 - 06:16 PM

    Technically speaking, yes it is slower. PCI-Express 2.0 x1 only has 4Gbps of bandwidth (500MB/s) whereas the USB 3.0 standard can go up to 4.8Gbps, and the bandwidth is shared across those two ports. In reality, the speed difference compared to USB 2.0 is so striking that I don't think it would even matter. Plus, you'd actually need to have a transfer that is saturating the bus, and unless you're transferring data from a 6Gbps SSD hooked up via USB 3.0 to an internal 6Gbps SSD, the hard drive itself is going to be your bottleneck.

    As I understand PCIe, it has 4 Gbps per lane. This would mean it could have up to 64 Gbps when using a 16x card. I don't know how these PCIe USB3 cards work, or even if they all use the same technique, but I think most of them are 4x cards. If they are, then they could, theoretically at least, support up to 16 Gbps, so they would be faster than a regular USB3 port.

    If this is wrong, I would love someone to explain why so I, and everyone else in the forums, can benefit from the knowledge.
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    #27 ImTheTypeOfGuy

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    Posted 01 September 2011 - 08:51 PM

    As I understand PCIe, it has 4 Gbps per lane. This would mean it could have up to 64 Gbps when using a 16x card. I don't know how these PCIe USB3 cards work, or even if they all use the same technique, but I think most of them are 4x cards. If they are, then they could, theoretically at least, support up to 16 Gbps, so they would be faster than a regular USB3 port.

    If this is wrong, I would love someone to explain why so I, and everyone else in the forums, can benefit from the knowledge.


    Not positive but just because the port can support up to 16 Gbps that doesn't mean the technology of the card will utilize all of the capacity. So it will probably be standard USB 3.0 speeds.
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    #28 mrossco

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    Posted 02 September 2011 - 06:40 AM

    FrozenCPU carries a full line of Lian-Li case parts include the UC-01. Once they start making I/O panels that use the internal USB 3.0 connectors, you will likely find them here as well...

    http://www.frozencpu...n_Li_Parts.html
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