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Your next hardware generation doubles power per rack. Plan the hall's upgrade.

Survey real facility headroom, phase work around shared dependencies, and compare retrofit with relocation using useful capacity and total transition cost.

Updated Sep 2026 · Learn how AI infrastructure works through explanations, worked examples and diagrams, then practise applying it to interview questions.

Survey real facility headroom, phase work around shared dependencies, and compare retrofit with relocation using useful capacity and total transition cost.

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The concepts behind this question

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🧮 Open Weights & Serving Engines

Capacity Planning for Open-Weights FleetsMatch forecast traffic to a measured replica operating envelope, then check failure domains, rollout capacity, readiness time and cost. Output tokens alone omit prompt work and live state; total parameter count alone does not determine a replica's throughput.

🖧 Hardware & Cluster Build-Out

Direct-to-Chip Liquid Cooling and CDUsDirect-to-chip cooling carries heat from cold plates to a coolant distribution unit. Flow, temperature, pressure and coolant quality all matter to the design.

🧮 Napkin Math & Capacity🔒 Premium

Power and Datacenter ConstraintsGPU capacity also needs electrical and cooling capacity. Build the facility estimate from complete system loads, rack density and the site’s operating limits.

🖧 Hardware & Cluster Build-Out

Rack Power Delivery and BuswaysRack power determines current, distribution equipment and redundancy requirements. Training workloads can also create load swings that average power hides.

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UP NEXT ON YOUR JOURNEY

Next in this trackYour cluster is going into a colocation facility rather than your own building. What changes?Next in this trackTransceivers are failing at three times the rate you budgeted. Find out why.Next in this trackDesign the system that tells you every firmware version on every device in the fleet.

FEDITOR'S NOTE

Look for complete facility constraints, safe isolation boundaries, conditional capacity costing and a feasible migration sequence.

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