Hardware Spec Index

Teralux FN-3900 Prime 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3900-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index914 (Case Fans scale)
Category rank#49,916
Street price$29
Power4 W
Performance per dollar31.52
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3900 Prime
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3900 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/3469505 (accessed 2026-10-23).