Hardware Spec Index

Teralux FN-3947 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3947-PRO · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index880 (Case Fans scale)
Category rank#29,170
Street price$29
Power3 W
Performance per dollar30.34
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3947 Pro
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise28 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-3947 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/19984239 (accessed 2026-10-19).