Hardware Spec Index

Brontix FN-3845 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3845-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index1,007 (Case Fans scale)
Category rank#38,265
Street price$39
Power3 W
Performance per dollar25.82
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3845 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3845 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/73670944 (accessed 2026-10-24).