Hardware Spec Index

Brontix FN-9987 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9987-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index474 (Case Fans scale)
Category rank#43,467
Street price$19
Power4 W
Performance per dollar24.95
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9987 Prime
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9987 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/6356902 (accessed 2026-10-21).