Hardware Spec Index

Caldera FN-4390 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4390-SE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index507 (Case Fans scale)
Category rank#36,773
Street price$19
Power3 W
Performance per dollar26.68
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4390 SE
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4390 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/92439548 (accessed 2026-10-24).