Hardware Spec Index

Teralux FN-4391 Prime 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4391-PRIME · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index830 (Case Fans scale)
Category rank#10,680
Street price$29
Power2 W
Performance per dollar28.62
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4391 Prime
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4391 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/95528106 (accessed 2026-10-25).