Hardware Spec Index

Brontix FN-5640 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5640-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index882 (Case Fans scale)
Category rank#26,314
Street price$29
Power3 W
Performance per dollar30.41
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5640 Pro
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5640 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2786802 (accessed 2026-10-22).