Hardware Spec Index

Teralux FN-4640 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4640-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index421 (Case Fans scale)
Category rank#33,962
Street price$19
Power4 W
Performance per dollar22.16
Released2019

Specifications

BrandTeralux
ModelTeralux FN-4640 Ultra
Size120 × 120 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4640 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/28022784 (accessed 2026-10-24).