Field Notes
Practical guides on tuning older flagship ASIC miners — voltage curves, firmware notes, and the economics of keeping legacy hardware profitable.
12 June 2026
Antminer S9 Voltage Tuning: Where the Efficiency Cliff Lives
A practical guide to finding the stable voltage window on 14 TH/s Antminer S9 units without triggering thermal throttling in summer conditions.
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28 May 2026
Whatsminer M20S: Giving Your Fans Breathing Room
How intake clearance and fan curve adjustments affect the tuning ceiling on 68 TH/s Whatsminer M20S units in container deployments.
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15 April 2026
AvalonMiner 1066: Firmware Tuning vs. Voltage Adjustment
Why Canaan Avalon 1066 units respond better to firmware work mode changes than voltage sweeps, and what settings we recommend.
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2 March 2026
The Power Math Behind Keeping Older Flagships Online
A straightforward break-even framework for deciding whether your 0.05 TH/s-and-above legacy miners still earn their electricity bill.
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