Hardware Spec Index

Teralux FN-3657 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3657-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index208 (Case Fans scale)
Category rank#26,129
Street price$9
Power3 W
Performance per dollar23.11
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3657 Pro
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3657 Pro 140mm PWM Case Fan”, https://vextor7.com/item/4249159 (accessed 2026-10-21).