Hardware Spec Index

Caldera FN-6578 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6578-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index329 (Case Fans scale)
Category rank#39,746
Street price$9
Power4 W
Performance per dollar36.56
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6578 Ultra
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6578 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/48755042 (accessed 2026-10-20).