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Square black plastic frame 70 by 70 mm with central rotor and four wires

TOPLAB

TOPLAB PF70251VX-Q02U-S99 12V 2.46W 70x70x25mm 4-wire Server Cooling Fan

SKU CH-BKDA-FWE3X

Cools servers with a 12 V, 2.46 W, 70 × 70 × 25 mm four-wire fan

  • 12 V power input suits standard server rails
  • 46 W draw keeps energy use low
  • 70 × 70 × 25 mm frame fits common bays
  • 4-wire PWM control enables precise speed regulation

12 V 4-wire server fan

The TOPLAB PF70251VX-Q02U-S99 is a 12 V DC cooling fan with a four-wire PWM interface. It draws 2.46 W and fits a 70 mm square mounting pattern. The unit is aimed at system integrators who need a direct replacement for a SUNON PF70251VX-Q02U-S99 in rack-mount or blade servers.

25 mm depth four-screw mounting

Installation uses four standard corner holes on a 70 mm pitch and a single 4-pin connector that carries power, ground, tachometer and PWM control. The 25 mm frame depth matches the original SUNON specification so no bracket modification is required. Builders who need a different voltage, a three-pin connector or a thinner profile should look elsewhere.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $36.99
Pricier than about 69% of the 5,998 comparable items (median $24.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I confirm the fan is running at the correct 12V 2.46W specification after installation?

Connect the 4-wire PWM header to the motherboard and monitor the RPM reading in BIOS or hardware-monitoring software; a steady signal matching the rated speed confirms the 12 V 2.46 W draw is correct.

What comes in the box and are mounting screws included?

The package contains the 70×70×25 mm 4-wire server cooling fan only; mounting screws are not supplied and must be purchased separately.

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