SXDOOL
SXDOOL RL4Z 180 mm x 32 mm case fan 12 V 0.15 A 750 rpm
180 mm sleeve-bearing case fan runs at 750 rpm on 12 V and 0.15 A with a 165 mm mounting pattern
- Large 180 mm diameter moves more air quietly
- 750 rpm low speed reduces operational noise
- 12 V 0.15 A draws minimal power from supply
- 165 mm mounting holes fit standard large-fan frames
- Sleeve bearing rated for 16000 hours of use
180 mm 12 V case fan
The SXDOOL RL4Z is a 180 mm square case fan that runs on a 12 V three-pin motherboard header. It draws 0.15 A and spins at a fixed 750 rpm. The 165 mm mounting hole spacing matches standard 180 mm fan locations. This unit is aimed at builders who need a single large-diameter intake or exhaust fan without speed control.
Fixed-speed thermals and acoustics
Because the fan does not support speed adjustment it always runs at 750 rpm, delivering a constant airflow and noise level. The sleeve bearing and 0.15 A current draw keep power consumption low during normal operation. Acoustic output remains steady whether the system is idle or under light load. There is no PWM or voltage regulation to quiet the fan when temperatures drop.
Behaviour under sustained load
The fixed 750 rpm speed means airflow does not increase when components heat up during prolonged workloads. The sleeve bearing is rated for 16000 hours of continuous running at this speed. Thermal performance therefore stays constant rather than ramping up with demand. Builders who need rising airflow under heavy load should look for a PWM or voltage-controlled alternative.
Highlights
- Large 180 mm diameter moves more air quietly
- 750 rpm low speed reduces operational noise
- 12 V 0.15 A draws minimal power from supply
- 165 mm mounting holes fit standard large-fan frames
- Sleeve bearing rated for 16000 hours of use
Specifications
No published specifications for this item yet.
Questions about this item
How do I install the 180 mm fan using the 165 mm hole spacing and 3-pin motherboard interface?
Align the four mounting holes at 165 mm centres with your case or radiator, secure with screws, then plug the three-pin connector into a 12 V motherboard header; the keyed plug prevents reverse insertion.
When will the sleeve bearing need replacement?
The manufacturer rates the sleeve bearing for 16000 operating hours; after that point noise or speed drop typically signals a replacement is due.
What is the maximum airflow limit at the fixed 750 rpm speed?
Because speed adjustment is not supported, the fan always spins at 750 rpm, so its airflow ceiling is fixed at that single operating point.
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