Model 'reliability.target' as an enum {TierI..TierIV} driving topology defaults: Tier I single path N; Tier II N+1 capacity components, single path; Tier III N+1 components AND two distribution paths (one may be passive), concurrently maintainable; Tier IV 2N or 2(N+1), two active physically compartmentalized paths and continuous cooling with UPS-backed pumps/fans.

Over 4,300 Tier Certification awards in 120+ countries (2026).

Reliability Electrical Cooling

Technical guideFree to read

Vertiv 2025

Vertiv 360AI High Density Reference Design #006: 2x 1.28 MW NVIDIA Blackwell DGX SuperPODs

Seed an AI-hall wizard template with: compute rack 73 kW, support rack 14 kW, liquid fraction 0.78, power 4N/3, cooling N+1, mechanical UPS 2N.

Total IT load 2,560 kW = 2 pods x 1,280 kW.

Electrical UPS Liquid cooling

Technical guideFree to read

Vertiv 2024

Vertiv 360AI High Density Reference Design #014: 2x 1.2 MW NVIDIA Blackwell DGX SuperPODs, 2N

Provide a "2N AI hall" preset to compare with the 4N/3 preset: 2N makes installed UPS 200% of load against 133% for 4N/3; show the capex and efficiency deltas.

Row PDUs 600 kVA, 2 per pod, fed via STS.

Electrical UPS Liquid cooling

Technical guideFree to read

Vertiv 2025

Vertiv 360AI High Density Reference Design #020: 6x 1.2 MW NVIDIA DGX SuperPODs (GB200 NVL72)

Make the capacity block a first-class object: block = UPS group + PDUs + CDUs + chillers sized for N pods, so no power is stranded.

Cooling UPS 240 kVA 2N (schematic shows 600 kVA A/B).

Electrical UPS Liquid cooling

Technical guideFree to read

Vertiv 2025

Vertiv 360AI High Density Reference Design #027: 2x NVIDIA Blackwell DGX SuperPOD (GB300 NVL72)

Implement mechanical UPS sizing explicitly: mechUpsKw = sum of CDU pump kW + CRAH fan kW for every unit that must ride through; default about 20 kW per 1.35 MW CDU (roughly 1.5% of liquid load) and about 17 kW per CRAH.

Cooling split 77% liquid / 23% air.

Electrical UPS Liquid cooling

Technical guideFree to read

Vertiv 2025

Vertiv 360AI High Density Reference Designs #028/#030: 5 MW and 10 MW at up to 142 kW per rack

In the campus planner define the 2,496 kW pod as a repeatable block; when the user picks N blocks, multiply UPS, CDU and chiller counts by the block count.

#030: 9,984 kW IT, 128 racks; #028: 4,992 kW IT, 64 racks

Electrical UPS Liquid cooling

Technical guideFree to read

Vertiv 2024

Vertiv High Density Reference Design for AI #0019: 1.2 MW NVIDIA GB200 NVL72 SuperPOD (N redundancy)

In the layout engine add 200 mm to rack depth for liquid-cooled AI racks; manifolds and hoses do not fit standard depth.

Mechanical UPS 250 kVA (second unit for 2N)

Electrical UPS Liquid cooling

White paperPDF

Open Compute Project Foundation 2026

White Paper: Requirements for Energy Storage Systems Used in Data Centers, Revision 1.0, Version 1.0 (OCP Ready Facilities, January 2026)

Fix the ESS architecture (DC or AC coupled, distributed or centralised, backup-only or grid-interactive), write the applicable NFPA 70, NFPA 855 and IEC 62933 parts into the design basis, and consult the authority having jurisdiction (AHJ) early.

FM Global DS 5-33 (as cited) recommends battery installations in rooms with at least a 2-hour fire rating.

UPS Fire safety Electrical

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