Hardware Spec Index

Teralux FN-5681 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN5681-PRIME · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index488 (Case Fans scale)
Category rank#1,600
Street price$19
Power3 W
Performance per dollar25.68
Released2022

Specifications

BrandTeralux
ModelTeralux FN-5681 Prime
Size140 × 140 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5681 Prime 140mm PWM Case Fan”, https://vextor7.com/item/8601243 (accessed 2026-10-20).