It's always tempting to pick bleeding-edge technology when making new hardware purchases. Usually it's a bad idea, but one area where this strategy actually pays off is with new system bus technologies -- specifically, the new PCIe (or PCI-E) bus. There are at least three major implementations of PCI devices, and knowing the differences between them can help you and your company avoid mistakes in planning for and purchasing hardware. This Fast Guide will get you up to speed on PCI bus technology.
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