Hardware Spec Index

Caldera FN-5731 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5731-MAX · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index764 (Case Fans scale)
Category rank#42,171
Street price$19
Power3 W
Performance per dollar40.21
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5731 Max
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5731 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6728348 (accessed 2026-10-20).