SXDOOL
SXDOOL PSD1209PLV2-A 90mm case fan 4000-4499 RPM 75-80 CFM 4-pin PWM
90 mm case fan with magnetic barometric bearing spins at 4000-4499 RPM to deliver 75-80 CFM via 4-pin PWM control
- TypeCase Fan
- Fan Size90mm
- Bearing TypeMagnetic Barometric
- RPM4000-4499 RPM
- Air Flow75-80 CFM
- Power Connector4 Pin
- 90 mm footprint fits tight server chassis
- 4000–4499 RPM delivers 75–80 CFM airflow
- Magnetic Barometric bearing cuts friction and noise
- 4-pin PWM allows precise speed control
- 2 W draw keeps power budget low
90mm PWM case fan for dense builds
The SXDOOL PSD1209PLV2-A is a 90mm frame fan built for compact chassis and server enclosures where space is limited. Its four-pin PWM interface allows the motherboard to regulate speed automatically based on thermal load. The magnetic barometric bearing is designed to reduce friction and extend operating life in continuous-duty environments.
Thermals and acoustics at 4000-4499 RPM
At full speed the fan moves 75-80 CFM of air while drawing 4.2 W from a 12 V rail. The 32 mm thickness houses a motor rated for 4000-4499 RPM, so airflow scales directly with the PWM duty cycle. Expect audible airflow noise at the upper end of the range; lower duty cycles drop both RPM and sound level proportionally.
B3553.F.GN motor and WC236-AOO connector
The B3553.F.GN motor variant is paired with a WC236-AOO four-wire PWM lead that carries tachometer feedback and control signals. No LED lighting, RGB headers or software utilities are included — the accessory kit is limited to standard mounting screws. Builders needing addressable lighting or fan-controller software must add those separately.
Highlights
- 90 mm footprint fits tight server chassis
- 4000–4499 RPM delivers 75–80 CFM airflow
- Magnetic Barometric bearing cuts friction and noise
- 4-pin PWM allows precise speed control
- 2 W draw keeps power budget low
Specifications
| Type | Case Fan |
|---|---|
| Fan Size | 90mm |
| Bearing Type | Magnetic Barometric |
| RPM | 4000-4499 RPM |
| Air Flow | 75-80 CFM |
| Power Connector | 4 Pin |
| Color | Black |
| LED | Non-LED |
Questions about this item
How do I mount the 90 mm frame with the 32 mm depth using the four screw holes?
Align the 92 mm square mounting pattern with your case fan slots, insert four screws through the corner holes, and tighten evenly so the 32 mm thick housing sits flush without warping the frame.
When will the magnetic barometric bearing need attention or replacement?
The magnetic barometric bearing is contact-free, so there is no oil to dry out; expect the fan to run until the motor windings or PWM driver wear out, typically many years at 4.2 W load.
At what point does the 4000–4499 RPM range hit its thermal or acoustic limit during sustained load?
At the top of the 4499 RPM range the fan moves 79–80 CFM at 4.2 W; sustained operation there is limited by the 12 V PWM signal and the bearing’s maximum rated speed, not by a separate thermal throttle.
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