Hardware Spec Index

Teralux FN-3840 Core 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3840-CORE · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index959 (Case Fans scale)
Category rank#12,214
Street price$29
Power3 W
Performance per dollar33.07
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3840 Core
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3840 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/71758902 (accessed 2026-10-26).