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Black 120mm blower fan with 32mm depth, 4-pin connector

OEM Industries

OEM Industries D12F-24BS4 120mm 24V 0.7A 4 Pin Blower Fan

SKU CH-XXJ6-45RFZ

A 120mm server blower moves air through tight chassis spaces with a 24V 0.7A four-wire PWM motor

  • Fan size120 mm
  • Bearing design1 Ball, 1 Sleeve
  • Power input connector4 Pin
  • Product colorBlack
  • Product typeFan only
  • 24V 0.7A input powers demanding server workloads
  • 120mm x 32mm blower design directs airflow through tight chassis
  • 4-pin PWM connector enables precise speed control
  • Hybrid ball and sleeve bearing balances durability with quiet operation
  • NIDEC 12032 manufacture ensures industrial-grade reliability

NIDEC 12032 D12F-24BS4 Blower Fan

The NIDEC 12032 D12F-24BS4 is a 120mm blower fan designed for server and industrial chassis. It operates on a 24V supply drawing .7A through a 4-pin PWM connector. The hybrid bearing combines one ball and one sleeve unit for durability in continuous operation. This cooler suits system integrators maintaining 1U or dense rack enclosures where directional exhaust is required.

120mm Blower Upgrade For Restricted Airflow

This blower replaces standard axial fans when components block direct airflow paths or when rear-exhaust ducting is mandatory. The 120mm by 32mm frame fits existing 12032 mount patterns without chassis modification. The jump is worth it when hot-spot removal matters more than raw volume flow, such as voltage-regulator zones or tightly packed expansion cards. Axial-fan users gain targeted exhaust but lose the broader room circulation those fans provide.

24V .7A Headroom In Dense Racks

At 24V and .7A the motor delivers consistent static pressure across the 32mm depth curve. It comfortably handles back-pressure from restrictive grilles, filters or narrow ducts typical in telecom shelves. Headroom runs out when the system demands variable voltage below 12V or when a 3-pin header cannot drive the 4-wire PWM signal. Builders needing 12V operation or simpler voltage control should specify a matching-voltage model instead.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $32.99
Pricier than about 81% of the 1,559 comparable items (median $19.99).
Fan size 120 mm
Higher than about 80% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model nameD12F-24BS4
Product colorBlack
Product typeFan only
Power
Power input connector4 Pin
Size & build
Fan size120 mm
Bearing design1 Ball, 1 Sleeve
More details
LED lightingNo

Questions about this item

What clearance does the 120mm by 32mm blower frame require for mounting?

The fan measures 120mm square and 32mm thick, so allow at least that depth behind the mounting surface plus room for the 4-pin power connector.

How do you connect the 4-wire PWM lead without bending the pins?

Align the keyed 4-pin header on the motherboard or controller, press straight in until the latch clicks, and route the cable away from the blower exhaust.

When should the dual ball-and-sleeve bearing assembly be replaced?

Replace the unit if bearing noise increases, vibration appears, or airflow drops noticeably — the mixed bearing design is not user-serviceable.

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