Hardware Spec Index

Brontix FN-4951 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4951-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index551 (Case Fans scale)
Category rank#15,748
Street price$19
Power4 W
Performance per dollar29.00
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4951 Prime
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4951 Prime 140mm PWM Case Fan”, https://vextor7.com/item/10189985 (accessed 2026-10-21).