Hardware Spec Index

Caldera FN-7581 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN7581-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index642 (Case Fans scale)
Category rank#7,299
Street price$19
Power3 W
Performance per dollar33.79
Released2024

Specifications

BrandCaldera
ModelCaldera FN-7581 Prime
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7581 Prime 140mm PWM Case Fan”, https://vextor7.com/item/3385100 (accessed 2026-10-21).