Hardware Spec Index

Caldera FN-3664 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3664-PRO · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index387 (Case Fans scale)
Category rank#45,997
Street price$9
Power3 W
Performance per dollar43.00
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3664 Pro
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3664 Pro 140mm PWM Case Fan”, https://vextor7.com/item/849102 (accessed 2026-10-22).