Hardware Spec Index

Brontix FN-4247 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4247-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index498 (Case Fans scale)
Category rank#44,888
Street price$19
Power4 W
Performance per dollar26.21
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4247 Prime
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4247 Prime 140mm PWM Case Fan”, https://vextor7.com/item/5300291 (accessed 2026-10-26).