Hardware Spec Index

Brontix FN-3904 Core 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3904-CORE · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index357 (Case Fans scale)
Category rank#42,191
Street price$19
Power4 W
Performance per dollar18.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3904 Core
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise23 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
Corvane FN-7411 XT 120mm PWM Case Fan237$9Compare
Caldera FN-9433 Ti 120mm PWM ARGB Case Fan (3-Pack)1,037$29Compare
Zephyra FN-4690 Pro 120mm PWM ARGB Case Fan1,014$39Compare
Teralux FN-2258 Edge 140mm PWM ARGB Case Fan (3-Pack)1,226$39Compare
Caldera FN-1080 Core 140mm PWM Case Fan412$19Compare
Corvane FN-6485 Plus 140mm PWM Case Fan682$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3904 Core 120mm PWM Case Fan”, https://vextor7.com/item/4184820 (accessed 2026-10-23).