Hardware Spec Index

Brontix FN-4121 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4121-PRO · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index863 (Case Fans scale)
Category rank#42,812
Street price$29
Power4 W
Performance per dollar29.76
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4121 Pro
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4121 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/219546 (accessed 2026-10-22).