Hardware Spec Index

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

Case Fans · Teralux · SKU FN3891-CORE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index885 (Case Fans scale)
Category rank#7,176
Street price$29
Power3 W
Performance per dollar30.52
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3891 Core
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3891 Core 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/31924666 (accessed 2026-10-23).