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Square black 7 cm CPU cooling fan with four-wire PWM cable and thermistor

SXDOOL

SXDOOL AFB0712VHB 12V 5200 rpm 4-wire PWM CPU cooling fan

SKU CH-K8Y5-GW5S5 MPN AFB0712VHB

A 12 V PWM CPU fan with dual ball bearings, automatic thermistor and motherboard speed control at 44 dBA

  • Dual speed control via PWM or thermistor for flexible cooling
  • Double ball bearing rated 180000 hours for long life
  • 5200 rpm maximum speed delivers 45 CFM airflow
  • 44 dBA noise at full speed for quiet operation
  • 20 cm cable with 4-wire connector fits standard headers

Product identity

The SXDOOL AFB0712VHB is a 12V Delta fan built for CPU cooling in compact systems. It targets builders who need a 7015 form-factor replacement with PWM speed control and a rated MTTF of 180,000 hours. The double ball bearing and 44dBA noise level suit continuous operation in workstations or servers. It is not for buyers who need a larger frame size or higher static pressure than 45CFM can deliver.

Control behaviour

The unit ships with a 20cm cable and a 4-wire PWM connector that also works on 3-pin headers. A built-in thermistor enables automatic speed regulation between 3300 and 6400 rpm when only power and ground are connected. Full PWM control via the fourth wire lets the motherboard override the curve, while the special IC manages current from 0.13A at idle to 0.55A at 5200 rpm. No separate software or driver bundle is included.

Installation notes

Mounting uses standard 7015 screw holes; the 47g weight adds minimal stress to the heatsink. The short 20cm lead reaches most CPU fan headers without extension cables. Polarity is keyed on the 4-pin plug, preventing reverse connection. The dual-mode logic means the fan self-regulates even if the PWM wire is left unconnected, reducing the chance of a no-post caused by a missing RPM signal.

Highlights

  • Dual speed control via PWM or thermistor for flexible cooling
  • Double ball bearing rated 180000 hours for long life
  • 5200 rpm maximum speed delivers 45 CFM airflow
  • 44 dBA noise at full speed for quiet operation
  • 20 cm cable with 4-wire connector fits standard headers

Specifications

No published specifications for this item yet.

Questions about this item

How often will the double ball bearing need replacement?

The bearing is rated for 180,000 hours MTTF, so under continuous use it should run for many years before any service is required.

What limits performance first during sustained load?

The fan tops out at 6400 rpm when the thermistor is shorted, so mechanical speed ceiling is the first bound you hit.

How loud and hot does it get running all day?

At full speed it produces 44 dBA and draws 0.55 A at 12 V; at idle it drops to 3300 rpm and 0.13 A, keeping noise and heat low when cooling demand falls.

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