Hardware Spec Index

Caldera FN-4491 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4491-MAX · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index340 (Case Fans scale)
Category rank#2,797
Street price$9
Power4 W
Performance per dollar37.78
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4491 Max
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4491 Max 140mm PWM Case Fan”, https://vextor7.com/item/91312289 (accessed 2026-10-22).