Hardware Spec Index

Caldera FN-2181 SE 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2181-SE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index663 (Case Fans scale)
Category rank#2,645
Street price$19
Power4 W
Performance per dollar34.89
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2181 SE
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2181 SE 140mm PWM Case Fan”, https://vextor7.com/item/10445238 (accessed 2026-10-19).