Hardware Spec Index

Brontix FN-4636 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4636-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index563 (Case Fans scale)
Category rank#38,051
Street price$19
Power3 W
Performance per dollar29.63
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4636 Ultra
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4636 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/288575 (accessed 2026-10-20).