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PCI Express 3.0 specification expected in November

Posted on Wednesday, September 15 2010 @ 14:57:56 CEST by

The PCI Special Interest Group (PCI-SIG) is expected to finalize the PCI Express 3.0 base specification in November, and the first PCIe 3.0 products are expected to follow in 2011. The new interface will offer a 8GTps raw bit rate and double the bandwidth per lane than PCIe 2.0.
Mellanox Technologies expects to release before June a version of its 40 Gbit Infiniband adapters using PCIe 3.0. The adapters now ride the PCI Express Gen 2 bus, but the 5 GTransfers/s link is a bottleneck that throttles throughput of the Mellanox cards down to 26 Gbits/s.

One source said Intel will support PCIe 3.0 natively on future versions of its Sandy Bridge processors geared for servers. Those chips could ship before the end of 2011. Initial Sandy Bridge CPUs shipping before April build in PCIe Gen 2.

The new interconnect is expected to be used for four-port 10 Gbit/'s Ethernet chips and next-generation 40 Gbit Ethernet chips now coming to market. It also will be used for high-end graphics cards and solid-state drives.
More details at EE Times.



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