Hardware Spec Index

Brontix FN-4638 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4638-PRO · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index454 (Case Fans scale)
Category rank#39,322
Street price$19
Power3 W
Performance per dollar23.89
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4638 Pro
Size140 × 140 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4638 Pro 140mm PWM Case Fan”, https://vextor7.com/item/7948679 (accessed 2026-10-19).