Hardware Spec Index

Caldera FN-5181 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5181-PRO · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index238 (Case Fans scale)
Category rank#7,683
Street price$9
Power3 W
Performance per dollar26.44
Released2022

Specifications

BrandCaldera
ModelCaldera FN-5181 Pro
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5181 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/85963381 (accessed 2026-10-23).