Antminer Custom Firmware |verified| Jun 2026

| Factor | Stock Firmware | Custom Firmware | |--------|----------------|------------------| | Hashrate | Fixed by profile | Up to +15-25% | | Power tuning | Limited | Fine-grained ASIC core voltage & frequency | | Fan control | Aggressive / noisy | Temperature-targeted, quieter | | Auto-tuning | No | Yes (per-chip calibration) | | Pool failover | Basic | Advanced (fallback, profit-switching) | | Remote management | Bitmain proprietary | Open APIs, custom dashboards |

VNish is testing a machine learning model that predicts optimal frequency per batch of chips based on initial factory test data, reducing auto-tune time from 2 hours to 15 minutes. antminer custom firmware