Nvidia, Google and Microsoft: The Customers Who Write the BlueprintThin moat

Vertiv Holdings (VRT) — moat facet

The industry's biggest buyers published the blueprint for what Vertiv builds, and 80-odd manufacturers are now building to it.

The most consequential competitive development around Vertiv did not come from a competitor. Nvidia, Google and Microsoft have jointly driven an 800-volt DC power architecture through the Open Compute Project, published as an open specification, with more than 80 equipment manufacturers and infrastructure providers now building hardware to it — ABB, Eaton, Schneider and Vertiv among them1. The first MGX-compatible 800 VDC racks enter production in the second half of 2026, and the roadmap runs from 145 kW per rack toward 1 MW2.

How an open specification levels a fieldNvidia, Google,Microsoft write itPublishedopenly via OCP80+ makers buildto the same specContest shifts tocost and deliveryFirst MGX 800 VDC racks enter production 2H 2026; roadmap 145kW toward 1MW.
The buyers published the blueprint for what Vertiv builds — that is the real commoditizer.

Vertiv has responded well: it has its own 800 VDC MGX reference architecture and has collaborated directly with Nvidia on the platform designs3. Being early and being named in the reference designs is worth real money in a market that buys on schedule certainty.

But look at the structure of the relationship rather than the press releases. The specification is written by the buyers, published openly, and implemented by 80-odd suppliers at once. Vertiv's moat has always rested on integrated engineering a customer could not easily replicate or substitute; an open reference architecture is precisely a published answer to how the thing should be built. It compresses the design differentiation that a specialist sells and shifts the contest toward manufacturing cost, delivery speed and price — where the giants and the low-cost component makers are stronger.

The falsifier is margin through the 800 VDC transition. If Vertiv holds its 20.4% adjusted operating margin4 while shipping to an open specification, its advantage is execution rather than architecture. If margin compresses as volumes rise, the specification has done the commoditizing.

Moat trajectory: Narrowing

This is the front that has genuinely worsened, and it worsened while looking like good news. Vertiv is a named collaborator on the 800 VDC architecture and shipped its own MGX reference design — real commercial wins. But the specification is open, more than 80 manufacturers are building to it, and the buyers wrote it. Every step toward a settled industry standard converts design differentiation into manufacturing cost, which is not the axis a specialist wants the contest fought on.

The number that tests this moat
Reported
Manufacturers building to the open 800 VDC spec
More than 80

The specification was driven by Nvidia, Google and Microsoft through the Open Compute Project and published openly, with ABB, Eaton, Schneider and Vertiv among the builders. An open architecture is a published answer to how the thing should be built, which compresses exactly the design differentiation a specialist sells. Watch whether Vertiv's margin survives the transition.

Source: NVIDIA / Open Compute Project 800 VDC ecosystem disclosures ↗
References
  1. ReportedNVIDIA, Google and Microsoft drove the open 800 VDC architecture through the OCP; 80+ manufacturers build to it.
    NVIDIA / Open Compute Project 800 VDC ecosystem — NVIDIA, Google and Microsoft jointly drove an 800-volt DC power architecture published as an open specification through the OCP, with more than 80 equipment manufacturers and infrastructure providers building hardware to it, including ABB, Eaton, Schneider Electric and Vertiv; datacentre power system providers listed as ABB, Eaton, GE Vernova, Heron Power, Hitachi Energy, Mitsubishi Electric, Schneider Electric, Siemens and Vertiv, with power component providers BizLink, Delta, Flex, GE Vernova, Lead Wealth, LITEON and Megmeet; the first MGX-compatible 800 VDC racks enter production in 2H 2026, with a roadmap from 145 kW per rack toward 1 MW — 2026 · publ. 2026 · source ↗
  2. ReportedThe first MGX-compatible 800 VDC racks enter production in 2H 2026, on a roadmap from 145 kW toward 1 MW per rack.
    NVIDIA / Open Compute Project 800 VDC ecosystem — NVIDIA, Google and Microsoft jointly drove an 800-volt DC power architecture published as an open specification through the OCP, with more than 80 equipment manufacturers and infrastructure providers building hardware to it, including ABB, Eaton, Schneider Electric and Vertiv; datacentre power system providers listed as ABB, Eaton, GE Vernova, Heron Power, Hitachi Energy, Mitsubishi Electric, Schneider Electric, Siemens and Vertiv, with power component providers BizLink, Delta, Flex, GE Vernova, Lead Wealth, LITEON and Megmeet; the first MGX-compatible 800 VDC racks enter production in 2H 2026, with a roadmap from 145 kW per rack toward 1 MW — 2026 · publ. 2026 · source ↗
  3. ReportedVertiv has its own 800 VDC MGX reference architecture and collaborated with NVIDIA on the platform designs.
    Vertiv / Nvidia press release — Vertiv advances 800 VDC platform designs for next-generation AI factories: centralized rectifiers, high-efficiency DC busways and rack-level DC-DC converters; portfolio release planned for 2H 2026 ahead of the Nvidia Kyber and Rubin Ultra rollouts; designs performance-tested against gigawatt-scale projects — 2025-2027 · publ. 2025 · source ↗
  4. ReportedVertiv's adjusted operating margin reached 20.4% in fiscal 2025.
    Vertiv Form 10-K / FY2025 results — net sales $10.23B (+28%), adjusted operating margin 20.4% (from 19.4%); backlog ~$15.0B (more than doubled), Q4 organic orders +~252%, book-to-bill ~2.9x — FY2025 · publ. February 2026 · source ↗
Sources
Generated September 23, 2026