Hardware Spec Index

Teralux FN-3840 Pro 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3840-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index872 (Case Fans scale)
Category rank#13,700
Street price$29
Power3 W
Performance per dollar30.07
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3840 Pro
Size120 × 120 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3840 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2939734 (accessed 2026-10-21).