Hardware Spec Index

Teralux FN-4257 Max 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4257-MAX · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index582 (Case Fans scale)
Category rank#24,029
Street price$19
Power3 W
Performance per dollar30.63
Released2019

Specifications

BrandTeralux
ModelTeralux FN-4257 Max
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4257 Max 140mm PWM Case Fan”, https://vextor7.com/item/4545287 (accessed 2026-10-26).