Hardware Spec Index

Caldera FN-3747 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3747-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index715 (Case Fans scale)
Category rank#25,801
Street price$19
Power4 W
Performance per dollar37.63
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3747 Pro
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3747 Pro 140mm PWM Case Fan”, https://vextor7.com/item/8104271 (accessed 2026-10-22).