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90 mm square case fan with four-wire PWM connector

Fans

Fans DA09025B12U 12 V 9025 case fan

SKU CH-QBZP-CYNQX

9 cm case fan with 12 V PWM control and double ball bearing

  • 12 V PWM control enables precise speed adjustment
  • Double ball bearing design extends operational lifespan
  • 9025 round frame fits standard mounting points
  • 4-wire connector supports automatic fan regulation

9025 12 V PWM case fan

The DA09025B12U is a 9 cm round-frame case fan that operates at 12 V and uses a four-wire PWM connection for speed control. It is intended for builders who need a compact cooling unit for CPU heatsinks or tight chassis locations.

Double ball bearing simplifies mounting

The double ball bearing design allows the fan to be installed in any orientation without affecting longevity. The only common issue is ensuring the four-pin header matches the motherboard PWM layout, as a three-pin socket will remove speed regulation.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $8.99
Cheaper than about 92% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I verify the DA09025B12U is spinning correctly after installation?

Connect the 4‑wire PWM header, power on the system and check the RPM reading in BIOS or fan‑control software; the double ball bearing should run smoothly without rattling.

What comes with the DA09025B12U and what must I source separately?

The package includes one 9CM round‑frame fan with a 4‑wire PWM connector; you will need a compatible 12 V PWM header on the motherboard or a fan controller and mounting screws.

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