Hardware Spec Index

Teralux FN-3861 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3861-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index382 (Case Fans scale)
Category rank#724
Street price$9
Power4 W
Performance per dollar42.44
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3861 Prime
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3861 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3220728 (accessed 2026-10-19).