| Fixed-frequency | Auto-frequency |
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S19/T19 series E series,D series, Z9 series，L3 series， V9，A3，B3，B7，DR3，DR5，X3； S9 partial version：11.85T-550M、12.93T-600M、14T-650M； |
T17/S17 Series T15/S15 Series T11/S11 Series S9 Series(Except 11.85T-550M、12.93T-600M、14T-650M) |
Please carefully select the firmware based on your ANTMINER's model.
>>For S9 models such as 11.85T-550M, 12.93T-600M, and 14T-650M, they use different firmware.
