Capacity & Cost Simulator
Adjust the levers below to model fabric size, power draw, cooling tonnage, racks and capex.
Inputs
200
25
3
450
1.40
0.14
12
Leaf switches
10
Spine switches
2
Access bandwidth
5 Tbps
5,000 Gbps total
Fabric bandwidth
1.7 Tbps
3:1 oversubscription
IT load
96.9 kW
90 kW servers + 6.9 kW network
Facility load (PUE)
135.7 kW
Cooling required
38.8 tons
≈ 3.5 kW per ton
Racks needed
9
@ 12 kW per rack
Annual energy
1,188 MWh
Annual power cost
$166,373
Hardware capex
$2,110,000
Servers + leaf + spine
3-yr TCO (capex + power)
$2,609,120