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4-in-1 Fan Simulator (Square Plug) for Antminer S21 and T21
$17.99
This fan simulator plugs into the fan connectors of the control board and sends the fan signal the miner expects, so an Antminer S21 or T21 runs without its fans (immersion, hydro conversion or external airflow) instead of stopping on a fan error.
Key specifications
- Part: 4-in-1 fan simulator, new
- Compatible miners: Antminer S21, S21+, S21 Pro, S21 XP, T21, S19j XP
- Plugs: 4 square fan plugs (one simulator per miner)
- Shipping weight: 0.05 kg
Before you order
- Use it only when the fans are removed (immersion, hydro conversion, external airflow): the miner then relies on your own cooling.
- Check the fan plug shape on your control board (square or rectangular) before ordering.
- Free US shipping; defects reported within 7 days of delivery are covered under our policy for new spare parts.