Hardware Spec Index

Teralux FN-3905 Prime 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3905-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index573 (Case Fans scale)
Category rank#27,085
Street price$19
Power3 W
Performance per dollar30.16
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3905 Prime
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3905 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2739766 (accessed 2026-10-24).