Hardware Spec Index

Caldera FN-5781 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5781-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index525 (Case Fans scale)
Category rank#6,729
Street price$19
Power4 W
Performance per dollar27.63
Released2025

Specifications

BrandCaldera
ModelCaldera FN-5781 Pro
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5781 Pro 120mm PWM Case Fan”, https://vextor7.com/item/4372425 (accessed 2026-10-19).