Hardware Spec Index

Brontix FN-5631 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5631-ULTRA · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index550 (Case Fans scale)
Category rank#25,617
Street price$19
Power4 W
Performance per dollar28.95
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5631 Ultra
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5631 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/20007789 (accessed 2026-10-18).