Hardware Spec Index

Caldera FN-1639 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1639-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index273 (Case Fans scale)
Category rank#43,675
Street price$9
Power3 W
Performance per dollar30.33
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1639 Pro
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1639 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3260205 (accessed 2026-10-21).