Hardware Spec Index

Brontix FN-1978 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN1978-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index569 (Case Fans scale)
Category rank#26,729
Street price$19
Power3 W
Performance per dollar29.95
Released2021

Specifications

BrandBrontix
ModelBrontix FN-1978 Prime
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1978 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9744004 (accessed 2026-10-20).