Hardware Spec Index

Brontix FN-3621 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3621-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index598 (Case Fans scale)
Category rank#49,935
Street price$19
Power3 W
Performance per dollar31.47
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3621 Ultra
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3621 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/2347833 (accessed 2026-10-24).