Hardware Spec Index

Brontix FN-4391 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4391-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index589 (Case Fans scale)
Category rank#5,902
Street price$19
Power4 W
Performance per dollar31.00
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4391 Pro
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7547 Ultra 120mm PWM ARGB Case Fan881$29Compare
Teralux FN-6189 Prime 120mm PWM ARGB Case Fan (3-Pack)1,400$49Compare
Brontix FN-7718 Edge 120mm PWM Case Fan (3-Pack)267$9Compare
Brontix FN-3846 Ti 120mm PWM Case Fan620$19Compare
Brontix FN-5391 Pro 120mm PWM ARGB Case Fan (3-Pack)1,290$49Compare
Brontix FN-8694 Ultra 120mm PWM Case Fan (3-Pack)822$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4391 Pro 120mm PWM Case Fan”, https://vextor7.com/item/48412628 (accessed 2026-10-20).