Hardware Spec Index

Brontix FN-3856 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3856-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,252 (Case Fans scale)
Category rank#37,274
Street price$39
Power3 W
Performance per dollar32.10
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3856 Prime
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3856 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6967270 (accessed 2026-10-22).