Hardware Spec Index

Teralux FN-3881 Core 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3881-CORE · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index211 (Case Fans scale)
Category rank#7,126
Street price$9
Power4 W
Performance per dollar23.44
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3881 Core
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3881 Core 120mm PWM Case Fan”, https://vextor7.com/item/16206753 (accessed 2026-10-22).