Hardware Spec Index

Brontix FN-6637 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6637-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index534 (Case Fans scale)
Category rank#17,118
Street price$19
Power3 W
Performance per dollar28.11
Released2023

Specifications

BrandBrontix
ModelBrontix FN-6637 Ultra
Size120 × 120 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6637 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4989879 (accessed 2026-10-26).