Hardware Spec Index

Teralux FN-8640 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN8640-PRIME · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index632 (Case Fans scale)
Category rank#18,288
Street price$19
Power3 W
Performance per dollar33.26
Released2023

Specifications

BrandTeralux
ModelTeralux FN-8640 Prime
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-8640 Prime 140mm PWM Case Fan”, https://vextor7.com/item/1043263 (accessed 2026-10-24).