Hardware Spec Index

Teralux FN-3947 Prime 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3947-PRIME · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index1,088 (Case Fans scale)
Category rank#16,363
Street price$39
Power3 W
Performance per dollar27.90
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3947 Prime
Size120 × 120 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise29 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-3947 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/9979415 (accessed 2026-10-24).