Hardware Spec Index

Caldera FN-4581 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4581-SE · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index440 (Case Fans scale)
Category rank#47,237
Street price$19
Power4 W
Performance per dollar23.16
Released2023

Specifications

BrandCaldera
ModelCaldera FN-4581 SE
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4581 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/76354543 (accessed 2026-10-19).