Hardware Spec Index

Brontix FN-4378 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4378-PRIME · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index216 (Case Fans scale)
Category rank#321
Street price$9
Power3 W
Performance per dollar24.00
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4378 Prime
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4378 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21881248 (accessed 2026-10-24).