Hardware Spec Index

Caldera FN-4391 SE 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4391-SE · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index673 (Case Fans scale)
Category rank#3,967
Street price$19
Power4 W
Performance per dollar35.42
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4391 SE
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4391 SE 140mm PWM Case Fan”, https://vextor7.com/item/84554567 (accessed 2026-10-26).