Tier 3 Data Center

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What Does Tier 3 Data Center Mean?

A Tier 3 data center is a location with redundant and dual-powered servers, storage, network links and other IT components. It is one of the most commonly used data center tiers, where IT components are powered with multiple, active and independent sources of power and cooling resources.

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A Tier 3 data center is also known as a Level 3 data center.

Techopedia Explains Tier 3 Data Center

A Tier 3 data center combines and exceeds features and capabilities of Tier 1 and Tier 2 data centers but with redundant capacity and data center infrastructure components. It is the third level/tier of data centers introduced by the Uptime Institute.

Like a Tier 2 data center, IT components can be replaced or removed without interrupting routine data center operations.

With the redundant and always active power supply, there is minimal planned and unplanned downtime. It guarantees 99.982 percent availability with a fractionally of less than two hours of downtime per year.

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Margaret Rouse
Technology expert
Margaret Rouse
Technology expert

Margaret is an award-winning writer and educator known for her ability to explain complex technical topics to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles in the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret’s idea of ​​a fun day is to help IT and business professionals to learn to speak each other’s highly specialized languages.