Hardware Spec Index

Teralux FN-9640 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN9640-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index216 (Case Fans scale)
Category rank#36,673
Street price$9
Power4 W
Performance per dollar24.00
Released2025

Specifications

BrandTeralux
ModelTeralux FN-9640 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9640 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/95529869 (accessed 2026-10-25).