Hardware Spec Index

Brontix FN-5646 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5646-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index841 (Case Fans scale)
Category rank#29,739
Street price$29
Power3 W
Performance per dollar29.00
Released2024

Specifications

BrandBrontix
ModelBrontix FN-5646 Ultra
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5646 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/12613313 (accessed 2026-10-25).