NEC R320c-E4, User Manual, Page: 31 / 89

1. Preface
Express5800/R320c-E4, R320c-M4 User's Guide
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Chapter 1 General Description
1.
Preface
Welcome to the Express5800/ft series.
Express5800/ft series is a "fault-tolerant (ft)" server focusing on "high reliability" in terms of fault-tolerance, in
addition to "high performance", "scalability", and "general versatility" provided by Express5800 series.
In the event of trouble, its dual configuration will allow the system to instantaneously isolate the failed parts to
assure non-stop running; operation will be moved smoothly from one module to the other, minimizing damage to
it. You can use this Express5800/ft series in a mission-critical system where high availability is required. By the
use of Windows/VMware operating system, it also provides outstanding openness for general-purpose
applications, etc.
To make the best use of these features, read this User's Guide thoroughly to understand how to operate
Express5800/ft series.