Hardware Spec Index

Brontix FN-4640 Plus 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4640-PLUS · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index271 (Case Fans scale)
Category rank#6,412
Street price$9
Power3 W
Performance per dollar30.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4640 Plus
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4640 Plus 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4778624 (accessed 2026-10-20).