Hardware Spec Index

Brontix FN-4903 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4903-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index455 (Case Fans scale)
Category rank#47,314
Street price$9
Power3 W
Performance per dollar50.56
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4903 Prime
Size120 × 120 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4903 Prime 120mm PWM Case Fan”, https://vextor7.com/item/4894501 (accessed 2026-10-21).