Hardware Spec Index

Brontix FN-4920 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4920-PRIME · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index709 (Case Fans scale)
Category rank#8,333
Street price$19
Power3 W
Performance per dollar37.32
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4920 Prime
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4920 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5967076 (accessed 2026-10-26).