Hardware Spec Index

Brontix FN-6478 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6478-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index579 (Case Fans scale)
Category rank#34,862
Street price$19
Power3 W
Performance per dollar30.47
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6478 Prime
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6478 Prime 140mm PWM Case Fan”, https://vextor7.com/item/765343 (accessed 2026-10-19).