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PCI-SIG announces PCI Express 3.0 details
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Written by Danrok   
Saturday, 11 August 2007 11:29

From DailyTech:

PCI Express: Now with 8 gigatransfers per second; coming to a system near you in three years

The PCI Special Interest Group, or PCI-SIG, this week announced the speeds of the latest evolution to the PCI Express specification – PCI Express 3.0, also known as PCIe 3.0. PCIe 3.0 doubles the transfer rate of PCIe 2.0, bringing overall throughput to 8 gigatransfers per second, or GT/s.

PCI-SIG is designing the PCIe 3.0 standard for increased performance, but maintain backwards compatibility with PCIe and PCIe 2.0 devices. The group managed to double throughput of the existing PCIe 2.0 standard by removing the 8b/10b-encoding scheme used and additional optimizations. The 8b/10b-encoding scheme took 20 percent overhead on the overall raw bit rate, according to the group. The PCIe 3.0 standard also includes new signaling and data integrity enhancements.

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