Hardware Spec Index

Brontix FN-5646 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5646-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index701 (Case Fans scale)
Category rank#10,982
Street price$19
Power4 W
Performance per dollar36.89
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5646 Prime
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5646 Prime 120mm PWM Case Fan”, https://vextor7.com/item/86523404 (accessed 2026-10-26).