Hardware Spec Index

Teralux FN-3865 Prime 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3865-PRIME · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#26,108
Street price$49
Power3 W
Performance per dollar28.57
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3865 Prime
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3865 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7448197 (accessed 2026-10-27).