Hardware Spec Index

Teralux FN-3891 Core 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3891-CORE · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index325 (Case Fans scale)
Category rank#37,044
Street price$9
Power4 W
Performance per dollar36.11
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3891 Core
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3891 Core 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5849029 (accessed 2026-10-23).