Hardware Spec Index

Caldera FN-3740 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3740-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index382 (Case Fans scale)
Category rank#6,643
Street price$9
Power4 W
Performance per dollar42.44
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3740 Ultra
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3740 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/46976251 (accessed 2026-10-22).