Hardware Spec Index

Brontix FN-3901 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3901-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,114 (Case Fans scale)
Category rank#36,656
Street price$39
Power3 W
Performance per dollar28.56
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3901 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-3422 Plus 140mm PWM ARGB Case Fan828$19Compare
Zephyra FN-2072 XT 140mm PWM Case Fan (3-Pack)656$19Compare
Brontix FN-6024 Core 120mm PWM Case Fan439$9Compare
Brontix FN-4370 XT 140mm PWM Case Fan (3-Pack)744$29Compare
Brontix FN-9856 SE 120mm PWM Case Fan596$19Compare
Zephyra FN-6688 Prime 120mm PWM Case Fan255$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-3901 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7082280 (accessed 2026-10-21).