Hardware Spec Index

Caldera FN-4581 Max 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4581-MAX · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index343 (Case Fans scale)
Category rank#30,475
Street price$19
Power4 W
Performance per dollar18.05
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4581 Max
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4581 Max 120mm PWM Case Fan”, https://vextor7.com/item/89085113 (accessed 2026-10-23).