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PCI-Express: Now Arriving

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In this article, you'll learn how PCI-Express differs from PCI and what products will be the first to embrace this new expansion slot and bus standard.
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In this article, you'll learn how PCI-Express differs from PCI and what products will be the first to embrace this new expansion slot and bus standard.

Introduction

When you look at any motherboard built before mid-2004, you'll find that almost all of the expansion slots use a design which goes back to 1992. That design, of course, is the PCI expansion slot. PCI has been the dominant expansion bus factor in motherboard design since the mid-1990s, but it is no longer fast enough to support the high-bandwidth requirements of today's network and other I/O devices. Fortunately, a successor, waiting in the wings since 2001, is now ready to join PCI on motherboards: PCI-Express.

In this article, you'll learn how PCI-Express differs from PCI and what products will be the first to embrace this new expansion slot and bus standard.

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