Hardware Spec Index

Brontix FN-5658 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5658-PRO · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index351 (Case Fans scale)
Category rank#45,436
Street price$9
Power3 W
Performance per dollar39.00
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5658 Pro
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5658 Pro 140mm PWM Case Fan”, https://vextor7.com/item/2962650 (accessed 2026-10-23).