Hardware Spec Index

Caldera FN-9581 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9581-PRO · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index477 (Case Fans scale)
Category rank#43,612
Street price$19
Power3 W
Performance per dollar25.11
Released2026

Specifications

BrandCaldera
ModelCaldera FN-9581 Pro
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9581 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/16664396 (accessed 2026-10-21).