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Small black square blower fan 45x45x10mm three wires

Fans

Fans 45x45x10mm 12V .2A 3-wire Server Blower Fan

SKU CH-5K7S-VBM3X

Compact 45 mm blower moves air through tight server chassis with a 3-wire 12 V connection

  • Compact 45×45×10 mm fits tight server bays
  • 12 V 0.2 A draws minimal power from PSU
  • Three-wire connector enables RPM monitoring
  • Blower design pushes air through dense heatsinks

Compact 45 mm blower for tight server builds

This 45x45x10 mm blower fits narrow chassis where standard axial fans cannot mount. It draws 0.2 A at 12 V and uses a three-wire connection for speed reporting. The unit is new and intended for equipment that requires focused airflow through restricted vents.

Three-wire lead enables motherboard monitoring

The tachometer wire lets the system track fan speed and trigger alerts if rotation drops. Blower geometry pushes air perpendicular to the intake, clearing heatsinks in 1U or blade servers. Builders needing larger airflow volumes or PWM control should select a different model.

How it compares

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

Price $13.99
Cheaper than about 70% 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

Does the 3‑wire connector carry a tachometer signal for speed monitoring?

Yes, the third wire provides a tachometer output so the motherboard or fan controller can read the fan’s actual RPM.

What are the exact mounting hole dimensions for the 45 mm square frame?

The fan body measures 45 mm by 45 mm by 10 mm thick; mounting holes follow the standard 45 mm square pattern used on server blower units.

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