GENESIS

 Article

13 September 2017

Data Center Features Summary Table for each TIER

Data Center Features Summary Table for each TIER

 

TYPE TIER 1 TIER 2 TIER 3 TIER 4
Power and Cooling Delivery Paths 1Active 1Active Active / 1 Passive 2 Active
Redundant Components N N + 1 N + 1 2(N + 1)
Support Space to Raised Floor Ratio (White Space) 20% 30% 80-90% 100%
Initial Build-out Gross Watts per Square Foot (W//ft2) 20 – 30 W//ft2 40 – 50 W//ft2 40 – 60 W//ft2 50 – 80 W//ft2
Raised Floor Height (Typical) 12” 18” 30 – 36” 30 – 36”
Floor Loading lbs/ft2 85 lbs/ft2 100 lbs/ft2 100 – 150 lbs/ft2 150 lbs/ft2
Utility Voltage (typical) 208,480V 208,480V 12 – 15 kV 12 – 15 kV
Annual Site Caused IT Downtime (actual field data) 28.8 hours 22.0 hours 1.6 hours 0.4 hours

Representative Site Availability

(Site Availability)

99.67% 99.75% 99.98% 100.00%

Reference: Uptime Institute Data Center Standard, a data center certification company from the United States