Hardware Spec Index

Brontix FN-6640 Max 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6640-MAX · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index237 (Case Fans scale)
Category rank#16,841
Street price$9
Power3 W
Performance per dollar26.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-6640 Max
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6640 Max 140mm PWM Case Fan”, https://vextor7.com/item/7068720 (accessed 2026-10-18).