Hardware Spec Index

Teralux FN-3781 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3781-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index924 (Case Fans scale)
Category rank#6,812
Street price$29
Power3 W
Performance per dollar31.86
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3781 Pro
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise30 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-3781 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/10244971 (accessed 2026-10-19).