Belkin F5U504ea User Manual download pdf (Page 3)

Introduction to PCI Express

For the last 10 years, PCI has been the mainstream interface

for personal PCs, with nearly every computer using the

same PCI bus specification—32-bit, running at 33MHz, and

yielding a maximum data-transfer rate of only 133.3Mbps.

In today’s information age, with data size growing

exponentially, there is increased demand for faster transfer

rates. This demand led to Intel’s development of the PCI

Express standard, which offers increased speed and stability

for data transfers.

Common PCI Express bus forms include x1, x2, x4, x8,

and x16, with each form being characterized by a unique

slot design. A one-path transmission on a one-lane (x1) PCI

Express bus can reach speeds of up to 250MB—nearly

double the standard PCI transmission speed. A 16-lane (x16)

PCI Express bus can reach speeds of up to 16Gbps.

Introduction

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Belkin F5U504ea User Manual Page 3