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Now we wait for devices to show up

Several years ago when PCI-Express was being developed, the technology was also being designed to support devices outside of the traditional computer enclosure. While "internal" PCI-Express took off, development and support for external devices was slow. This week, the PCI Special Interests Group (PCI-SIG) announced the availability of the PCI-Express external cable specification revision 1.0.

With the new specifications fully defined, cables will be developed for all PCI-Express link widths including: x1, x4, x8 and x16. This allows for devices such as external high-speed storage controllers, network or fabric interfaces and graphics adapters to use the technology.

According to PCI-SIG chairman Al Yanes, external PCI-Express products should now be in full development and show up on the market in less than a year. "This specification helps the industry create new products that will take PCIe technology out of the box – enabling PCIe solutions for IO expansion drawers, external graphics processors, tethered mobile docking, communications equipment and embedded applications,” said Yanes.

External PCI-Express devices will be able to use signaling rates up to 2.5 gigatransfers per second (GT/sec). Of course, the host, adapter and cable must be able to support those speeds, but the future looks promising according to the specification's outline. Later on, 5GT/sec. rates will be possible. Some applications for this type of technology include stacking storage arrays together by using the external PCI-Express interconnect rather than relying on Gig-E networking.



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RE: Great work!
By outsider on 2/9/2007 7:48:33 PM , Rating: 1
Actually I just read the article. Maybe you know more about this. In the article it does not say PCI-E or PCI-X, it says PCI-Express! And up to 16x!


RE: Great work!
By linkgoron on 2/9/2007 8:01:12 PM , Rating: 3
PCI-E is PCI-Express.

PCI-X is an older standard. (I believe it's a server standard?)


RE: Great work!
By outsider on 2/9/2007 8:07:54 PM , Rating: 2
Oh, my mistake. Now I see it. I misunderstood the previous poster.


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