Hardware Spec Index

Teralux FN-3840 Core 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3840-CORE · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index1,264 (Case Fans scale)
Category rank#7,905
Street price$39
Power4 W
Performance per dollar32.41
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3840 Core
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3840 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4966255 (accessed 2026-10-26).