NVIDIA Restricts RTX 50 GPU Voltages
After releasing Game Ready drivers v595.59 and v595.71 in late February–early March 2026, NVIDIA fixed fan-control and performance regressions but appears to have introduced voltage limits on RTX 50 "Blackwell" GPUs. Independent tests and a Bang4BuckPC video show RTX 5090 voltages dropping to about 1.00–1.01V with clocks falling below 3.0 GHz versus prior drivers' ~1.03V and 3+ GHz. This reduces overclocking headroom and suggests safety or power-management changes.
Key Points
- 1Reports show v595.71 limits RTX 50 voltages to about 1.00–1.01V, lowering clocks below 3GHz.
- 2Suggests vendor-imposed safety limits possibly aimed at preventing 16‑pin connector or power/thermal damage.
- 3Overclockers lose usable voltage headroom, reducing manual overclocking potential and tuning flexibility.
Scoring Rationale
Notable, actionable driver change affecting RTX 50 owners and overclockers, but limited scope and partial official explanation.
Sources
Public references used for this report.
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