Hardware Spec Index

Caldera FN-6637 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6637-PRO · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index410 (Case Fans scale)
Category rank#30,327
Street price$19
Power3 W
Performance per dollar21.58
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6637 Pro
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6637 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/31589046 (accessed 2026-10-26).