What Is a Tier 1 data center?

Tier 1 data center requirements are generally utilized by small businesses and feature:

  • 99.671% Uptime
  • no redundancy
  • 28.8 Hours of downtime per year.

What Is a Tier 2 Data Center?

The benefits of a Tier 2 facility include:

  • 99.749% Uptime
  • Partial redundancy in power and cooling
  • Experience 22 hours of downtime per year

What Is a Tier 3 Data Center?

Tier 3 data center specifications are utilized by larger businesses and feature:

  • 99.982% uptime (Tier 3 uptime)
  • No more than 1.6 hours of downtime per year
  • N+1 fault tolerant providing at least 72 hour power outage protection


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