Hardware Spec Index

Teralux FN-9939 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN9939-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index227 (Case Fans scale)
Category rank#32,512
Street price$9
Power3 W
Performance per dollar25.22
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9939 Ultra
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9939 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4501016 (accessed 2026-10-21).