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The original EPCQ64ASI16N remains stocked for retrofit
Parameter Value CPU Amlogic A113D Board Version C76 Substrate Aluminum Compatible Models S19J
com for volume pricing and complete repair kit options
160W power supply delivering 10–16
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APW17 1215a Bitmain Power Supply Unit for Antminer S21 S19jXP s19+ The original EPCQ64ASI16N remains stockedAPW17 1215a Power Supply Unit Replacement PSU for Antminer S21 and S19jXP Air Cooled Miners The APW17 1215a is a switching power supply built for the Antminer S21 and S19jXP air cooled miners. Direct replacement when the OEM APW17 unit fails or degrades typical failure modes include capacitor drying, MOSFET fatigue on the primary stage, and fan bearing wear. A fresh PSU restores full hashrate and clears the undervoltage faults that throttle the miner
