Hardware Spec Index

Brontix FN-6640 Plus 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6640-PLUS · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index566 (Case Fans scale)
Category rank#21,020
Street price$19
Power4 W
Performance per dollar29.79
Released2024

Specifications

BrandBrontix
ModelBrontix FN-6640 Plus
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6640 Plus 120mm PWM Case Fan”, https://vextor7.com/item/1276231 (accessed 2026-10-24).