Hardware Spec Index

Brontix FN-4784 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4784-PRIME · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index420 (Case Fans scale)
Category rank#48,925
Street price$19
Power3 W
Performance per dollar22.11
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4784 Prime
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4784 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/432131 (accessed 2026-10-25).