A Tier 1 data center is the lowest certification in the Uptime Institute’s system of classifying data center performance into four tiers.
Tier 1 data centers must achieve the following:
- Meets basic capacity and infrastructure requirements. Tier 1 facilities may be in an office setting or more and may include an uninterruptible power supply (UPS), a designated area for IT systems, dedicated cooling equipment, and a generator.
- No redundancy. Tier 1 facilities may help protect from downtime caused by human error, but preventative maintenance and repairs require a complete shutdown.
- No more than 28.8 hours of downtime per year. This is the maximum amount of downtime allowed in a year for maintenance and emergencies.
- 99.671% uptime. This the least amount of uptime that an Uptime Institute certified facility can guarantee.