Hardware Spec Index

Brontix FN-4120 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4120-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index405 (Case Fans scale)
Category rank#13,708
Street price$19
Power4 W
Performance per dollar21.32
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4120 Pro
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-3321 Edge 140mm PWM ARGB Case Fan (3-Pack)989$39Compare
Corvane FN-7006 Core 140mm PWM Case Fan (3-Pack)749$19Compare
Teralux FN-7109 SE 140mm PWM Case Fan (3-Pack)632$19Compare
Brontix FN-4097 XT 120mm PWM Case Fan497$19Compare
Caldera FN-1416 Core 140mm PWM Case Fan720$19Compare
Teralux FN-4187 Ti 120mm PWM Case Fan481$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-4120 Pro 120mm PWM Case Fan”, https://vextor7.com/item/7822795 (accessed 2026-10-22).