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Ventole di raffreddamento, SHLF 1212FHE-06 DC12V 1.5A 12CM 4Pin PWM Controllo della temperatura Ventola di raffreddamento Supporto di raffreddamento per PC Computer/Laptop : Amazon.it: Informatica
Laptop motherboard main circuits & PWM ICs, charge IC, CPU PWM IC, RAM IC, +VCCcore, +VCCP, VTT, VDD - YouTube