Hardware Spec Index

Teralux FN-4258 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4258-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index494 (Case Fans scale)
Category rank#34,710
Street price$19
Power3 W
Performance per dollar26.00
Released2023

Specifications

BrandTeralux
ModelTeralux FN-4258 Pro
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4258 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1702353 (accessed 2026-10-19).