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Small black plastic 40mm square cooling fan with four wires and double ball bearing

Haywards

Haywards 40mm 12V CPU Cooling Fan DBTB0428B2G video accessory

SKU CH-EVG5-24M4N

A 40 mm 12 V CPU cooling fan with double ball bearing, 4-pin PWM control, speeds up to 18000 RPM and 19.4 CFM airflow for Acer Predator Helios 300 PH317-53 and PH315-52 (2019) models

  • TypeOther
  • Efficient cooling with 12 V 1 A power input
  • Precise speed control via 4-wire PWM interface
  • High airflow of 19.4 CFM at up to 18000 RPM
  • Durable double ball bearing rated for 70000 hours
  • Compact 40×40×28 mm design fits tight spaces

Compatible Laptop Cooling Fan

This 40 mm replacement fan fits Acer Predator Helios 300 models PH317-53 and PH315-52 from 2019. It uses a 4-pin connector and operates at 12 V with a 1 A current draw. The unit is supplied new and includes the mounting package.

Sustained High-Speed Operation

The double ball bearing supports continuous running at up to 18000 RPM with a 10 % tolerance. Airflow reaches 19.4 CFM while noise peaks at 54 dB under load. PWM intelligent temperature control adjusts speed automatically and the rated lifespan is 70000 hours.

Pre-Installation Checks

Verify the exact model number DBTB0428B2G against your laptop service manual before ordering. Confirm the 4-wire interface matches the motherboard header and that the 7.0–13.4 V operating range suits the system. Physical dimensions are 40×40×28 mm; ensure the chassis provides sufficient clearance.

Highlights

  • Efficient cooling with 12 V 1 A power input
  • Precise speed control via 4-wire PWM interface
  • High airflow of 19.4 CFM at up to 18000 RPM
  • Durable double ball bearing rated for 70000 hours
  • Compact 40×40×28 mm design fits tight spaces

Specifications

TypeOther

Questions about this item

What does the 54 dB radiator noise mean for all-day operation?

The fan reaches 54 dB at full speed, so expect noticeable sound during continuous use.

What connector must the laptop motherboard provide for the 4-wire interface?

The cooler uses a 4-pin power interface that plugs directly into a matching 4-pin fan header.

Will the 7.0-13.4 V operating range suit a 12 V system rail?

Yes, the fan is rated for 12 V nominal and operates stably between 7.0 V and 13.4 V.

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