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ENGINEERING COMPUTATIONAL TOOL #492
NVIDIA OVX L40S 8-GPU Inference Server Data Center PUE & Annual Power Cost (Texas ERCOT Industrial Cheap)
Calculate continuous megawatt power consumption, monthly and annual operating electricity bills, and required cooling tonnage for NVIDIA OVX L40S 8-GPU Inference Server at Texas ERCOT Industrial Cheap ($0.07/kWh).
Hardware & Deployment Parameters
Nodes
Watts
$/kWh
Initializing Scientific Computational Engine...
Engineering Implementation Guidelines
1
Select cluster node count and confirm server rated power draw (3600W).
2
Choose data center cooling architecture (Liquid Cooling vs Air Cooling PUE).
3
Set regional commercial power tariff rate ($0.07/kWh) to calculate 24/7 operating power expenditure.
Frequently Asked Engineering Questions (FAQ)
How much electricity does an 8-node cluster of NVIDIA OVX L40S 8-GPU Inference Server consume annually?
An 8-node deployment draws 28.8 kW of IT power. At a PUE of 1.28, total facility load is 36.9 kW, consuming hundreds of megawatt-hours yearly.
What is the difference between direct-to-chip liquid cooling and air cooling PUE?
Direct-to-chip liquid cooling reduces cooling fan and chiller power, dropping PUE from ~1.35 to ~1.15 and cutting facility power consumption by up to 15-20%.
Why is PUE critical when calculating data center ROI?
Over a 3-5 year server lifecycle, electricity bills frequently exceed the initial hardware capital cost. Every 0.1 reduction in PUE saves tens of thousands of dollars per megawatt annually.