Hardware Spec Index

Brontix FN-3961 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3961-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,335 (Case Fans scale)
Category rank#33,048
Street price$49
Power3 W
Performance per dollar27.24
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3961 Ultra
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise24 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-3961 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/554495 (accessed 2026-10-22).