Fans
Fans KD1209PTB2 9025 12V 1.7W 90x90x25mm case fan
12 V case fan with three-wire speed control in a 90 × 90 × 25 mm frame
- 12 V operation keeps power draw low at 1.7 W
- 90 mm square frame fits standard 9025 mounting holes
- 25 mm thickness suits slim chassis builds
- Three-wire connector enables speed monitoring
Compact 90 mm case fan
The Sunon KD1209PTB2 measures 90 by 90 by 25 mm and runs on 12 V power. It draws 1.7 W and uses a three-wire connector for speed monitoring. The 9025 form factor suits tight chassis layouts where larger fans cannot fit. Builders upgrading small-form-factor or legacy systems will find the dimensions a direct match.
Simple three-wire install
Mount the fan with standard 90 mm screws and plug the three-wire header into a motherboard fan connector. The third wire reports rotational speed so the BIOS can adjust voltage control. A common issue is reversed airflow if the blade curve faces the wrong way; check the arrow on the frame before securing. Another snag occurs when the header lacks voltage regulation, forcing the fan to run at full speed constantly.
Highlights
- 12 V operation keeps power draw low at 1.7 W
- 90 mm square frame fits standard 9025 mounting holes
- 25 mm thickness suits slim chassis builds
- Three-wire connector enables speed monitoring
Specifications
No published specifications for this item yet.
Questions about this item
How can I confirm the 12 V fan is spinning correctly after installation?
Connect the three-wire lead to a motherboard header, power on the system, and verify the reported RPM in BIOS or monitoring software.
What comes in the box with the KD1209PTB2 9025 fan and what must I purchase separately?
The package includes the 90 × 90 × 25 mm fan unit only; mounting screws and any fan splitter or extension cables are sold separately.
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