Reduction in peak grid power demand while training Megatron, measured on a GB200 rack fitted with the GB300 power shelf (energy storage, GPU burn and ramp control)
30%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 | NVIDIA's July 2025 demonstration instrumented a GB200 rack carrying the new GB300 power shelf and ran a Megatron workload. It does not compare a GB300 rack with a GB200 rack. It covers one workload on one instrumented setup, so test the installed load and smoothing controls rather than budgeting the reduction from the rack model. |
| As of | 2025-07 |
| Source | NVIDIA Developer (GB300 steady power) |
| Review | checking…review by 2027-07-01 · standard cadence |
| Recorded changes | last 2026-10-13 · 2 revisions tracked |
| Claim id | reduction-in-peak-grid-power-demand-on-megatron |
Where the guide uses it
- 4.5 UPS & Energy Storage: From Ride-Through to Transient Absorption
- 7.12 On-Package Power Delivery & Power Integrity
← Full numbers register — every date-stamped figure in the guide, with revision history.