Hardware Spec Index

Brontix FN-4999 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4999-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index631 (Case Fans scale)
Category rank#11,525
Street price$19
Power4 W
Performance per dollar33.21
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4999 Prime
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4999 Prime 120mm PWM Case Fan”, https://vextor7.com/item/3394473 (accessed 2026-10-19).