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Amazon.com: Geekworm Raspberry Pi 4B/3B+/3B X735 V3.0 DC 6V-30V Width Voltage Input Power Management with Safe Shutdown & PMW Cooling Fan Expansion Board Compatible with Raspberry Pi 4 Model B : Electronics
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Raspberry Pi X715 Power Management Expansion Board with Wide Voltage Input(6V~60V) & PWM Fan for Raspberry Pi 4 B / 3B+ / 3B - AliExpress
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