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Black 90mm square frame fan 32mm thick four-pin PWM connector no LEDs

SXDOOL

SXDOOL PSD1209PLV2-A 90mm case fan 4000-4499 RPM 75-80 CFM 4-pin PWM

SKU CH-R8S4-1CDTY MPN PSD1209PLV2-A

90 mm case fan with magnetic barometric bearing spins at 4000-4499 RPM to deliver 75-80 CFM via 4-pin PWM control

  • Fan size90 mm
  • Bearing designMagnetic Barometric
  • Rotational speed4000-4,499 RPM
  • Airflow rate75-80 CFM
  • Power input connector4 Pin
  • LED lightingNon-LED
  • 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.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 91% of the 8,339 comparable items (median $19.99).
Fan size 90 mm
Lower than about 70% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Product typeCase Fan
Product colorBlack
Performance
Rotational speed4000-4,499 RPM
Airflow rate75-80 CFM
Power
Power input connector4 Pin
Size & build
Fan size90 mm
Bearing designMagnetic Barometric
More details
LED lightingNon-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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