Hardware Spec Index

Caldera FN-5731 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN5731-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#32,826
Street price$49
Power4 W
Performance per dollar28.57
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5731 Prime
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5731 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8323175 (accessed 2026-10-21).