Hardware Spec Index

Brontix FN-4638 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4638-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index802 (Case Fans scale)
Category rank#18,798
Street price$29
Power3 W
Performance per dollar27.66
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4638 Pro
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4638 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/12475604 (accessed 2026-10-21).