Hardware Spec Index

Teralux FN-5521 Pro 140mm PWM Case Fan

Case Fans · Teralux · SKU FN5521-PRO · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index666 (Case Fans scale)
Category rank#39,701
Street price$19
Power4 W
Performance per dollar35.05
Released2022

Specifications

BrandTeralux
ModelTeralux FN-5521 Pro
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5521 Pro 140mm PWM Case Fan”, https://vextor7.com/item/85964393 (accessed 2026-10-24).