The S21 fan. Do not fit a 6000 RPM unit in its place — the machine will throttle on temperature.
Specification
| Size | 120 × 120 × 38 mm |
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| Voltage | 12 V DC |
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| Current | 4.2 A |
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| Speed | 8000 RPM |
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| Airflow | 320 CFM |
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| Static pressure | 1.75 inH₂O |
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| Noise | 80 dBA |
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| Bearing | Dual ball |
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| Connector | 4-pin PWM |
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| Condition | Non-original (New) |
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Fits
- Antminer S21
- Antminer S21 Pro
- Antminer S21 XP
- Antminer S21+