Hardware Spec Index

Caldera FN-9421 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9421-PRO · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index586 (Case Fans scale)
Category rank#24,836
Street price$19
Power3 W
Performance per dollar30.84
Released2024

Specifications

BrandCaldera
ModelCaldera FN-9421 Pro
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9421 Pro 140mm PWM Case Fan”, https://vextor7.com/item/2053334 (accessed 2026-10-22).