Hardware Spec Index

Brontix FN-8639 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN8639-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index995 (Case Fans scale)
Category rank#10,037
Street price$39
Power4 W
Performance per dollar25.51
Released2024

Specifications

BrandBrontix
ModelBrontix FN-8639 Prime
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-8639 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/95961439 (accessed 2026-10-20).