Hardware Spec Index

Brontix FN-6321 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6321-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index405 (Case Fans scale)
Category rank#8,310
Street price$19
Power4 W
Performance per dollar21.32
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6321 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6321 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/12499145 (accessed 2026-10-22).