Hardware Spec Index

Brontix FN-4781 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4781-CORE · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index603 (Case Fans scale)
Category rank#5,448
Street price$19
Power3 W
Performance per dollar31.74
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4781 Core
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4781 Core 140mm PWM Case Fan”, https://vextor7.com/item/96821577 (accessed 2026-10-25).