Hardware Spec Index

Caldera FN-3477 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3477-PRO · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index268 (Case Fans scale)
Category rank#4,451
Street price$9
Power3 W
Performance per dollar29.78
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3477 Pro
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3477 Pro 140mm PWM Case Fan”, https://vextor7.com/item/89938072 (accessed 2026-10-25).