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The miner never touches VRAM, so memory at full clock is watts taken from the SMs inside the same power cap. Measured with the CUDA engine, miner paused: 4090 at 250 W 410 -> 463 MH/s (SM 1950 -> 2190 MHz); 3060 at 130 W 81 -> 83. 405 MHz drops the card into a low-power state (155 MH/s) and is refused. Applied by nvidia-power-limit.service from the same config file (NVIDIA_MEMORY_CLOCK_MHZ), configured per host in GPU_MEMORY_CLOCKS; hosts without an entry are reset to the driver default. beast is not listed: inference is memory-bound. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CBgs2nSi4H2mdh8kD8vMX5