"Gelid's Tranquillo 4 heatsink ships with a single 120mm PWM fan rotating at 1600-750RPM that moves upwards of 65CFM at 2.18mmH2O pressure, according to manufacturer specs. The fan is held in place with good reliable metal spring fan clips and an extra set is supplied so users can install their own second fan if desired. Finally, Gelid supply a small syringe of Gelid GC-Pro thermal paste."
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