Hardware Spec Index

Caldera FN-5664 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5664-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index624 (Case Fans scale)
Category rank#36,126
Street price$19
Power3 W
Performance per dollar32.84
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5664 Prime
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5664 Prime 140mm PWM Case Fan”, https://vextor7.com/item/37527549 (accessed 2026-10-23).