Hardware Spec Index

Caldera FN-3791 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3791-PRIME · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index445 (Case Fans scale)
Category rank#46,586
Street price$19
Power4 W
Performance per dollar23.42
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3791 Prime
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3791 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9595407 (accessed 2026-10-24).