From the information in this Slashdot article, it is now a sure bet that the new graphics cards coming from AMD and nVIDIA will not be PCIe 3.0 cards.  The planned upgrade of the PCIe bus specifications and the associated hardware was due before years end and is now scheduled to appear sometime in Spring of 2010.  Once the new hardware arrives, the bandwidth available to the bus should jump from 5 gigatransfers per second to 8GT/s and because of a change in the encoding, where PCIe 2.0 offered only 4Gb/s in interconnect bandwidth, PCIe 3.0 will double that to 8Gb/s. 

If you want to see the hard numbers, drop by the PCI-SIG FAQ page.

“PC Magazine reports that the PCI SIG has officially delayed the release of the PCI Express 3.0 specification until the second quarter of 2010. Originally, the PCI Express 3.0 specification called for the spec itself to be released this year, with products due about a year after the spec’s release, or in 2010.”

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