Hardware Spec Index

Teralux FN-3946 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3946-PRIME · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index278 (Case Fans scale)
Category rank#38,514
Street price$9
Power3 W
Performance per dollar30.89
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3946 Prime
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3946 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/50382 (accessed 2026-10-23).