Hardware Spec Index

Brontix FN-9946 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9946-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index274 (Case Fans scale)
Category rank#21,182
Street price$9
Power4 W
Performance per dollar30.44
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9946 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Teralux FN-9069 Prime 120mm PWM ARGB Case Fan (3-Pack)1,233$39Compare
Zephyra FN-3258 Ultra 120mm PWM Case Fan347$9Compare
Teralux FN-7074 Max 140mm PWM Case Fan (3-Pack)489$19Compare
Caldera FN-3269 Plus 120mm PWM ARGB Case Fan1,048$39Compare
Zephyra FN-2498 SE 120mm PWM Case Fan (3-Pack)440$19Compare
Brontix FN-4407 Core 120mm PWM Case Fan270$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-9946 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/85536736 (accessed 2026-10-22).