Hardware Spec Index

Teralux FN-3990 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3990-PRO · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index793 (Case Fans scale)
Category rank#44,531
Street price$29
Power3 W
Performance per dollar27.34
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3990 Pro
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3990 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/9022608 (accessed 2026-10-26).