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Black blower-style CPU cooling fan with 3-pin power connector

OEM Industries

OEM Industries AB7305HX-GB3 CWZQ5 5V .5A 3-Pin Blower CPU cooler

SKU CH-WZ0C-HHECP

Blower-style notebook CPU fan with hydraulic bearing, 5 V .5 A draw and 3-pin connector

  • ColorBlack
  • TypeFan only
  • Bearing TypeHydraulic
  • Power Connector3 Pin
  • LEDNo
  • Hydraulic bearing reduces friction for longer life
  • 5 V .5 A draw keeps power use low
  • 3-pin connector enables speed monitoring
  • Blower design directs airflow through tight laptop vents
  • Black finish matches internal components

Replacement Blower for Notebook Servicing

This OEM Industries blower is a direct-fit replacement fan for notebook cooling assemblies that require the ADDA AB7305HX-GB3 CWZQ5 specification. It suits repair technicians and owners performing out-of-warranty maintenance on compatible laptops. The three-wire, three-pin connector delivers tachometer feedback to the system controller. No LED lighting is included.

Upgrading from a Failed or Noisy Original

The unit replaces a worn, rattling or non-spinning factory blower that can no longer maintain safe component temperatures. The jump is worth it when the original bearing has degraded or the fan has stopped entirely, causing thermal throttling or unexpected shutdowns. Hydraulic bearing construction aims to reduce friction noise compared to aged sleeve-bearing units. Compatibility must be verified against the laptop service manual before purchase.

Sustained Airflow in Confined Chassis

Under continuous load the blower maintains a steady 5 V, 0.5 A draw while exhausting heat through the notebook’s existing ducting. Hydraulic bearing lubrication is designed to sustain consistent rotational speed without the rpm decay common in dry bearings. The three-pin header allows the embedded controller to modulate speed in response to prolonged thermal demand. Performance scales with the laptop’s own thermal firmware rather than an external curve.

Points forts

  • Hydraulic bearing reduces friction for longer life
  • 5 V .5 A draw keeps power use low
  • 3-pin connector enables speed monitoring
  • Blower design directs airflow through tight laptop vents
  • Black finish matches internal components

Caractéristiques

ModelAB7305HX-GB3
ColorBlack
TypeFan only
Bearing TypeHydraulic
Power Connector3 Pin
LEDNo

Questions sur cet article

What clearance is needed for the 7305 blower housing to sit flush in a notebook chassis?

The blower housing must sit flat against the heatsink base with no gap; measure the internal height of your fan bay and ensure the screw bosses align before ordering.

Which way should the three-pin connector be oriented when plugging it into the motherboard header?

Match the keyed tab on the 3-pin plug to the notch on the board header; forcing it backwards bends the pins and prevents the fan from spinning.

How often should the hydraulic bearing be checked or the fan replaced in normal laptop use?

Hydraulic bearings are sealed for life; replace the blower only if noise increases, airflow drops, or the fan fails to start at 5 V .5 A.

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