Hardware Spec Index

Caldera FN-4578 Pro 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4578-PRO · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index923 (Case Fans scale)
Category rank#38,409
Street price$29
Power4 W
Performance per dollar31.83
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4578 Pro
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4578 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/90283145 (accessed 2026-10-24).