Hardware Spec Index

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

Case Fans · Caldera · SKU FN3591-PRO · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index770 (Case Fans scale)
Category rank#44,955
Street price$19
Power3 W
Performance per dollar40.53
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3591 Pro
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 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/71363142 (accessed 2026-10-26).