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PCI Express variations

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#1 brightstars


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Posted 15 November 2010 - 02:03 PM

PCI Express
PCI Express x 16
PCI Express x 1
PCI Express 2.0 x 16

What are the differences between all these?

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#2 dc3


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Posted 15 November 2010 - 02:39 PM

Bus Spec Transfer Rate

PCI; 33MHz, 32-bit 133MBps

PCI-Express x1 250MBps

PCI-Express x4 1,000MBps

PCI-Express x16 4,000MBps

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#3 cryptodan


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Posted 15 November 2010 - 02:47 PM

Posted Image

To add to what dc3 posted in graphical form.

The various PCI and USB Speeds

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