Hardware Spec Index

Teralux FN-5491 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN5491-PRIME · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index771 (Case Fans scale)
Category rank#25,840
Street price$19
Power3 W
Performance per dollar40.58
Released2023

Specifications

BrandTeralux
ModelTeralux FN-5491 Prime
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5491 Prime 140mm PWM Case Fan”, https://vextor7.com/item/7183076 (accessed 2026-10-21).