Hardware Spec Index

Caldera FN-4558 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4558-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index931 (Case Fans scale)
Category rank#12,408
Street price$29
Power3 W
Performance per dollar32.10
Released2026

Specifications

BrandCaldera
ModelCaldera FN-4558 Prime
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4558 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/229946 (accessed 2026-10-20).