Hardware Spec Index

Teralux FN-4989 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4989-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index698 (Case Fans scale)
Category rank#17,587
Street price$19
Power3 W
Performance per dollar36.74
Released2020

Specifications

BrandTeralux
ModelTeralux FN-4989 Ultra
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4989 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91588225 (accessed 2026-10-23).