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Small black 40mm square cooling fan with 4-pin LP4 connector, 28mm thick

Supermicro

Supermicro FAN-0100L4 40mm CPU cooler 8500 RPM 12 CFM 34 dBA

SKU CH-W185-KA5SD MPN FAN-0100L4

A 40 mm fan spinning at 8500 RPM delivers 12 CFM airflow at 34 dBA for compatible Supermicro chassis

  • TypeFan only
  • Fan Size40mm
  • CPU Socket CompatibilitySupermicro FAN-0100L4 is a standard fan for CSE-111, CSE-119
  • RPM8500 RPM
  • Air Flow12 CFM
  • Noise Level34 dBA
  • 40mm compact size fits 1U chassis like CSE-111 and CSE-505
  • 8500 RPM delivers 12 CFM airflow for targeted CPU cooling
  • 34 dBA noise level keeps rack environments quiet
  • 4-pin LP4 connector enables PWM speed control for efficiency
  • 4 W power draw at 0.12 A reduces thermal load

Purpose-built 40 mm replacement

This 40 mm fan is designed as a direct replacement for specific Supermicro 1U chassis including the CSE-111, CSE-119TS, CSE-505, CSE-510 and CSE-819TS series. It suits administrators maintaining those rackmount systems where the original cooler has failed or needs refreshing. Builders assembling custom small-form-factor projects outside the listed chassis should verify mounting hole spacing and height clearance before purchase.

Straightforward swap with height limit

Installation is a simple 4-pin LP4 connector swap provided the target chassis matches the compatibility list. The critical constraint is the 28 mm maximum cooler height; taller heatsinks will not fit in the 1U envelope. Misidentifying the chassis model is the most common error, leading to a fan that cannot be mounted or does not align with the motherboard CPU zone.

4-pin LP4 power and 1U airflow ceiling

The fan draws 0.12 A at 1.4 W over a standard 4-pin LP4 interface, so the board header must supply that current. At 8500 RPM it delivers 12 CFM with a noise level of 34 dBA, which is the practical ceiling for passive 1U cooling in these chassis. Workloads that sustain high thermal output may exceed what this single 40 mm unit can dissipate.

Points forts

  • 40mm compact size fits 1U chassis like CSE-111 and CSE-505
  • 8500 RPM delivers 12 CFM airflow for targeted CPU cooling
  • 34 dBA noise level keeps rack environments quiet
  • 4-pin LP4 connector enables PWM speed control for efficiency
  • 4 W power draw at 0.12 A reduces thermal load

Caractéristiques

BrandSUPERMICRO
ModelFAN-0100L4
TypeFan only
Fan Size40mm
CPU Socket CompatibilitySupermicro FAN-0100L4 is a standard fan for CSE-111, CSE-119TS, CSE-505, CSE-510, and CSE-819TS series chassis.
RPM8500 RPM
Air Flow12 CFM
Noise Level34 dBA
Max CPU Cooler Height28 mm
Fan Dimensions40.00 x 40.00 x 28.00mm
Poids d’expédition0.91 kg
Dimensions du colis102 × 102 × 71 mm

Questions sur cet article

How do I confirm the 40 mm fan is spinning at 8500 RPM and moving 12 CFM after installation?

Use BIOS hardware monitoring or a fan-control utility to verify the reported speed reaches 8500 RPM; the 4-pin LP4 connector provides a tachometer signal for real-time RPM readout.

What comes in the box and what must I supply separately?

The package includes one 40 mm fan (40 x 40 x 28 mm) with a 4-pin LP4 connector; mounting screws, a fan controller or a compatible Supermicro 1U chassis (CSE-111, CSE-119TS, CSE-505, CSE-510, CSE-819TS) are not included.

Which version should I choose for a Supermicro SC510-200B or SC511 chassis?

This single FAN-0100L4 model is the specified 40 mm replacement for both the SC510-200B and SC511 1U SuperChassis; no alternate capacity or speed variants are offered for these systems.

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