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Tier 4 Data Center

Definition - What does Tier 4 Data Center mean?

A Tier 4 data center is an enterprise class data center tier with redundant and dual-powered instances of servers, storage, network links and power cooling equipment. It is the most advanced type of data center tier, where redundancy is applied across the entire data center computing and non-computing infrastructure.

A Tier 4 data center is also known as a Level 4 data center.

Techopedia explains Tier 4 Data Center

A Tier 4 data center combines and exceeds features and capabilities of all preceding data center layers. It provides end-to-end fault resistance by deploying and maintaining entire data center infrastructure duplicates. It is the last level/tier of data centers introduced by the Uptime Institute.

Being an enterprise class data center, Tier 4 data center guarantees 99.995 percent availability with just 26.3 minutes of downtime per year.

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