Hardware Spec Index

Brontix FN-9958 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9958-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index400 (Case Fans scale)
Category rank#29,630
Street price$9
Power3 W
Performance per dollar44.44
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9958 Pro
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-8815 Max 120mm PWM ARGB Case Fan1,202$39Compare
Zephyra FN-5945 Prime 140mm PWM ARGB Case Fan1,042$29Compare
Brontix FN-2515 Pro 120mm PWM Case Fan234$9Compare
Corvane FN-3446 XT 120mm PWM ARGB Case Fan1,225$49Compare
Corvane FN-8854 SE 120mm PWM ARGB Case Fan1,334$49Compare
Corvane FN-6799 Edge 120mm PWM Case Fan (3-Pack)291$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9958 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4615381 (accessed 2026-10-19).