Hardware Spec Index

Teralux FN-3781 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3781-PRO · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,313 (Case Fans scale)
Category rank#43,513
Street price$49
Power3 W
Performance per dollar26.80
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3781 Pro
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise33 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-3781 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/213023 (accessed 2026-10-26).