Hardware Spec Index

Caldera FN-3667 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3667-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,276 (Case Fans scale)
Category rank#21,022
Street price$49
Power4 W
Performance per dollar26.04
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3667 Prime
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3667 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4244657 (accessed 2026-10-21).