Tier 2 Data Center

What Does Tier 2 Data Center Mean?

A Tier 2 data center is a location that has multiple sources of servers, network links and other data center components.


It is a center that has redundant components but only one path/source or partial redundancy in data center power and cooling resources.

A Tier 2 data center is also known as a Level 2 data center.

Techopedia Explains Tier 2 Data Center

A Tier 2 data center has the same or enhanced components and features of a Tier 1 data center, but with redundant capacity or infrastructure components.

It is the second tier of data centers introduced by the Uptime Institute. In a Tier 2 data center, a power component or equipment can be replaced or removed without interrupting power supply to the core computing components.

It guarantees 99.741% availability with approximately 22 hours of downtime per year. It is generally used by medium-sized businesses.


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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…