Hardware Spec Index

Teralux FN-6640 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN6640-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index251 (Case Fans scale)
Category rank#38,889
Street price$9
Power4 W
Performance per dollar27.89
Released2025

Specifications

BrandTeralux
ModelTeralux FN-6640 Ultra
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise34 dBA
BearingFluid dynamic 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/10345832 (accessed 2026-10-25).