Whatsminer P21 PSU structure and powering
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Whatsminer P21 power supply is sui for M20, M21, M21D, M20S and M21S. Its interior is composed of a base board and a main board, mainly including EMI filter circuit, PFC circuit, auxiliary power area and main power area. 220V AC passes through these main circuits, after filtering and rectification, finally outputs 12V DC voltage. This video mainly explains the maintenance knowledge from the basic structure and powering process of the P21 PSU.
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Spring Festival Holiday Notice
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Dear Friends,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Our pre-sales customer service and course tutors will reply to your message as soon as possible. Please understand and forgive us if we are unable to reply promptly. Thank you for your support and trust in 2025. In 2026 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
Best wishes,
ZEUS MINING CO., LTD.
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