Hardware Spec Index

Caldera FN-4581 Plus 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4581-PLUS · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index1,047 (Case Fans scale)
Category rank#16,956
Street price$39
Power3 W
Performance per dollar26.85
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4581 Plus
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4581 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/91057605 (accessed 2026-10-25).