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server blade

Definition

server blade

A server blade is a thin, modular electronic circuit board containing one, two, or more microprocessors and memory, that is intended for a single, dedicated application (such as serving Web pages) and that can be easily inserted into a blade server, which is a space-saving rack with many similar servers.

One product offering, for example, makes it possible to install up to 280 blade server modules vertically in multiple racks or rows of a single floor-standing cabinet. Blade servers, which share a common high-speed bus, are designed to create less heat and thus save energy costs as well as space.

Confusingly, individual blades are also sometimes referred to as "blade servers."

Related glossary terms: indemnification, compaction, real-time operating system (RTOS), single point of failure (SPOF), Andrew, tin whiskers, Unix, pizza box server, Uptime Institute, Inc., HP-UX

This was last updated in October 2005

Posted by: Margaret Rouse

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