Hardware Spec Index

Teralux FN-6640 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN6640-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index343 (Case Fans scale)
Category rank#21,542
Street price$9
Power3 W
Performance per dollar38.11
Released2022

Specifications

BrandTeralux
ModelTeralux FN-6640 Ultra
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6640 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/415655 (accessed 2026-10-24).