Hardware Spec Index

Brontix FN-1639 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN1639-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index660 (Case Fans scale)
Category rank#3,351
Street price$19
Power3 W
Performance per dollar34.74
Released2021

Specifications

BrandBrontix
ModelBrontix FN-1639 Ultra
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1639 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/16620079 (accessed 2026-10-21).