Hardware Spec Index

Teralux FN-3847 XT 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3847-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index762 (Case Fans scale)
Category rank#26,431
Street price$19
Power3 W
Performance per dollar40.11
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3847 XT
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3847 XT 120mm PWM Case Fan”, https://vextor7.com/item/4348478 (accessed 2026-10-21).