Hardware Spec Index

Teralux FN-3889 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3889-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index651 (Case Fans scale)
Category rank#24,363
Street price$19
Power4 W
Performance per dollar34.26
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3889 Ultra
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3889 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/85964337 (accessed 2026-10-23).