Hardware Spec Index

Brontix FN-1991 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1991-CORE · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index245 (Case Fans scale)
Category rank#17,293
Street price$9
Power3 W
Performance per dollar27.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-1991 Core
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1991 Core 140mm PWM Case Fan”, https://vextor7.com/item/92719127 (accessed 2026-10-25).