Hardware Spec Index

Caldera FN-5581 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5581-SE · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index435 (Case Fans scale)
Category rank#9,458
Street price$19
Power4 W
Performance per dollar22.89
Released2026

Specifications

BrandCaldera
ModelCaldera FN-5581 SE
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5581 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/48414067 (accessed 2026-10-20).