Hardware Spec Index

Caldera FN-3781 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3781-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index352 (Case Fans scale)
Category rank#14,292
Street price$9
Power4 W
Performance per dollar39.11
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3781 Pro
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 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-3781 Pro 120mm PWM Case Fan”, https://vextor7.com/item/17848874 (accessed 2026-10-19).