Hardware Spec Index

Teralux FN-6657 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN6657-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index643 (Case Fans scale)
Category rank#13,865
Street price$19
Power4 W
Performance per dollar33.84
Released2019

Specifications

BrandTeralux
ModelTeralux FN-6657 Prime
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6657 Prime 140mm PWM Case Fan”, https://vextor7.com/item/43666081 (accessed 2026-10-20).