We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Small black 40mm square cooling fan with four-wire PWM connector and plastic frame

Haywards

Haywards DBTB0428B2G 40mm 12V PWM fan 18000RPM 19.4CFM 54dB

SKU CH-H335-HTGY2

A 40 mm 12 V PWM fan delivering 19.4 CFM at 18000 RPM with 54 dB noise

  • TypeOther
  • PWM intelligent temperature control adjusts fan speed automatically
  • Double ball bearing rated for 70000 hours of operation
  • 4 CFM airflow cools compact cases effectively
  • 18000 RPM maximum speed delivers high static pressure
  • 54 dB noise level suits server environments

40 mm 12 V PWM server fan

This 40 mm by 28 mm fan runs on 12 V power through a four-wire PWM connector. It spins at up to 18 000 RPM and moves 19.4 CFM of air. The unit uses double ball bearings and is rated for 70 000 hours of operation. It is sold as an original replacement for Delta AFB0612SH models used in Dell servers.

Check voltage range and connector

The fan operates between 7.0 V and 13.4 V and draws 1 A at 12 V for 12 W total. Verify that your system can supply this current on a four-pin header. The mounting pattern measures 40 mm square, so confirm the chassis has matching screw holes before ordering.

Thermals noise and power draw

At full speed the fan produces 54 dB of noise, which is noticeable in quiet rooms. PWM control allows the speed to drop when temperatures are lower, reducing both sound and power consumption. The 12 W draw is modest for a high-RPM cooler of this size.

Highlights

  • PWM intelligent temperature control adjusts fan speed automatically
  • Double ball bearing rated for 70000 hours of operation
  • 4 CFM airflow cools compact cases effectively
  • 18000 RPM maximum speed delivers high static pressure
  • 54 dB noise level suits server environments

Specifications

TypeOther

Questions about this item

What comes in the box with the Haywards DBTB0428B2G fan and what must I buy separately?

The fan ships in its original package with the 4-pin PWM connector installed. No mounting screws, cables or controller are included, so you will need to supply your own 40 mm fixings and a 12 V PWM header.

Should I choose the 12 V 0.32 A delta version or the 1 A 12 W model listed?

The supplier title references the delta AFB0612SH 0.32 A spec, while the detailed specs show 1 A and 12 W; both describe the same DBTB0428B2G unit, so select the single listing offered.

What does the 18000 RPM figure mean once the fan is installed in a Dell server?

At full PWM duty the motor spins up to 18000 RPM ±10 %, moving 19.4 CFM through a 40 × 40 × 28 mm frame with a noise level of 54 dB.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.