Hardware Spec Index

Caldera FN-5639 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN5639-PRIME · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index464 (Case Fans scale)
Category rank#12,544
Street price$19
Power3 W
Performance per dollar24.42
Released2024

Specifications

BrandCaldera
ModelCaldera FN-5639 Prime
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5639 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/74555941 (accessed 2026-10-24).