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Main image of W40S12BS1D507 High Speed Axial Cooling Fan, 40x40x28mm 40mm DC 12V 1.05A 4Pin PWM Brushless Replacement Fan for 1U 2U Server Power Supply Industrial Equipment Heat Dissipation

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W40S12BS1D507 High Speed Axial Cooling Fan, 40x40x28mm 40mm DC 12V 1.05A 4Pin PWM Brushless Replacement Fan for 1U 2U Server Power Supply Industrial Equipment Heat Dissipation

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Highspeed fan model W40S12BS1D507, strictly matches original mechanical and electrical parameters
40x40x28mm thick 4028 form factor, engineered for tight inner space of 1U and 2U power supplies
DC 12V 1.05A highcurrent rating delivers strong airflow for highpower power supply heat dissipation
4Pin PWM connector supports speed adjustment, adapts to variableload working conditions
Heavyduty brushless motor withstands longtime continuous operation for server power unit maintenance

Overview

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W40S12BS1D507 highspeed axial brushless cooling fan is a professional replacement part for 1U and 2U server power supplies. Measuring 40x40x28mm, it operates at DC 12V 1.05A and provides powerful airflow to cool highpower power supply components. The 4pin PWM interface enables dynamic fan speed control according to realtime temperature. Rugged motor structure lowers mechanical failure risk during longhour continuous running. It effectively reduces internal temperature and prevents overheating shutdown, ideal for power supply repair and industrial hardware maintenance.

Specifications

Model: W40S12BS1D507

Dimension: 40 x 40 x 28mm

Rated Voltage: DC 12V

Rated Current: 1.05A

Fan Type: HighSpeed Axial Brushless Cooling Fan

Connector: 4Pin PWM

Compatible Application: 1U Power Supply, 2U Power Supply, Industrial Equipment

Feature: High airflow PWM adjustable speed server power supply fan

Additional Information
First Listed on Newegg	September 04, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by ThermalNest Return Policy

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Item#: 9SIC8JMM5Z6784