Hardware Spec Index

Caldera FN-3591 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3591-PRO · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index643 (Case Fans scale)
Category rank#35,397
Street price$19
Power3 W
Performance per dollar33.84
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3591 Pro
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3591 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1480923 (accessed 2026-10-24).