Hardware Spec Index

Caldera FN-3548 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3548-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index450 (Case Fans scale)
Category rank#8,771
Street price$19
Power3 W
Performance per dollar23.68
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3548 Ultra
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3548 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1807245 (accessed 2026-10-26).