Hardware Spec Index

Caldera FN-1581 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1581-SE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index438 (Case Fans scale)
Category rank#39,827
Street price$9
Power4 W
Performance per dollar48.67
Released2022

Specifications

BrandCaldera
ModelCaldera FN-1581 SE
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1581 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/46564991 (accessed 2026-10-24).