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Main image of 75mm Graphics Card Cooling Fan 40mm Hole Spacing, DC 12V 0.38A Replacement VGA Cooler Fan for GA81S2UNNTB, GPU Fan Compatible with GT430 GT440 GT630 Video Card Heat Dissipation Repair

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75mm Graphics Card Cooling Fan 40mm Hole Spacing, DC 12V 0.38A Replacement VGA Cooler Fan for GA81S2UNNTB, GPU Fan Compatible with GT430 GT440 GT630 Video Card Heat Dissipation Repair

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Exact replacement fan compatible with GA81S2UNNTB for graphics card maintenance
75mm fan diameter, 40mm mounting hole spacing, DC 12V 0.38A electrical specification
Optimized fanblade structure delivers sufficient airflow to lower GPU core operating temperature
Effectively prevents thermal throttling and overheating for GT430, GT440, GT630 graphics cards
Simple plugandplay installation, directly replaces old or damaged original GPU cooling fan

Overview

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VGA graphics card cooling fan is a highquality replacement part matching GA81S2UNNTB specifications. It features 75mm fan diameter and 40mm hole spacing with DC 12V 0.38A power input. It provides powerful targeted airflow to take away heat generated by GPU core during operation. It works perfectly for GT430, GT440 and GT630 video cards, effectively reducing graphics card temperature and avoiding thermal throttling, crash or shutdown caused by overheating. Easy plugandplay installation supports quick swapout for broken fans, restoring your graphics cards original cooling performance.

Specifications

Fan Diameter: 75 mm

Mounting Hole Spacing: 40 mm

Rated Voltage: DC 12V

Rated Current: 0.38A

Replacement Model: GA81S2UNNTB

Compatible GPU: GT430, GT440, GT630

Application: Graphics Card VGA Cooling

Additional Information
First Listed on Newegg	September 17, 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#: 9SIC8JMM634318