OCP Open Rack V3 HPR V2 power shelf specification (Meta contribution, Rev 1.0.0, 2026-06-12): a 1 OU shelf with six 12 kW PSU slots, 72 kW gross and 60 kW output at N+1 on dual AC cords, 230–277 V nominal phase-to-return, 50 V narrow-range output, at least ten shelves in parallel.
72 kW (60 kW at N+1)observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Specification rating of one shelf, not a shipping product's datasheet. 72 kW is six 12 kW PSUs (the spec title); the usable rating with one PSU in reserve is 60 kW. Cords: 2 × 60 A NEC or 2 × 63 A IEC breakers upstream. First-generation HPR shelves (Advanced Energy datasheet) stay 33 kW N+0 / 27.5 kW N+1. |
| As of | 2026-06 |
| Source | Open Compute Project, Open Rack V3 HPR V2 72kW Power Shelf, Rev 1.0.0, 12 June 2026 (Meta Platforms contribution) · §4.1–4.2 shelf options (1 OU, 6 × 12 kW, 60 kW at N+1); §5.1 AC input 230–277 V; §5.2 50 V output; §5.7 ≥10 shelves in parallel |
| Review | checking…review by 2027-04-17 · standard cadence |
| Recorded changes | last 2026-10-17 |
| Claim id | orv3-hpr-v2-power-shelf-72-kw |
Where the guide uses it
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