can this fan 12v 120mmx 25mmbe use to cool both desktop/laptop?

The product is designed for cooling applications, including electronics, which suggests it can be used for cooling desktop and laptop systems.

Questions & Answers: 12V 120mmx25mm 4.72inch Moisture-Proof Small Computer Muffin Exhaust Vent Fans with 110V 120V 220V Speed Controller 3V-12V Variable Speed 1000-3000RPM

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12V 120mmx25mm 4.72inch Moisture-Proof Small Computer Muffin Exhaust Vent Fans with 110V 120V 220V Speed Controller 3V-12V Variable Speed 1000-3000RPM

MOISTURE-PROOF: New trend of 12v dc moisture-proof fan to be designed for high humidity (80%)cooling vent project,verified test up to 4cm water for 4 hours.
DUAL BALL BEARING: 120mm mini ac powered high cfm fan with long lasting dual ball bearing up to 60000 hours over 6 years.
VARIABLE SPEED CONTROLLER: With 3v-12v speed controller to achieve different airflow(28-88CFM) and noise level needs(20-46.5dBA).
100V-240V PLUG: Increased maximum fan speed and enabled fan to be powered through an AC outlet; just plug it into a socket and start the fan.
SPECIFICATION: Size: 120x120x25mm 4.72x4.72x0.98 inch | Dual Ball Bearing | Voltage: 3-12V | Current: 0.09-0.5Amp | Air Flow: 28-88CFM | Noise: 20-46.5dBA | Connector: DC 5.5x2.1mm Female.
DIY COOLING PROJECT : 120mm high airflow fan equipped with double-sided metal grills to be used in cooling home entertainment systems ,electronics running at their ideal temp to prolong its life span. also can be widely used for ventilation.

$14^.99 –