What are those weird-looking expansion slots (the black ones)? New PCs and servers are beginning to emerge with expansion slots that look different from the PCI slots we've come to know and love over the past decade. The change signals the arrival of PCI Express — an interface that implements a high-speed serial interconnect offering higher performance and occupying less space than traditional PCI. This article by Allyson Klein, a marketing manager for Intel's Enterprise I/O initiatives, explains the whys and wherefores of PCI Express, and offers some insight into where it's heading.

Read the PCI Express whitepaper

 
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