Hardware Spec Index

Brontix FN-4239 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4239-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index301 (Case Fans scale)
Category rank#2,004
Street price$9
Power4 W
Performance per dollar33.44
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4239 Prime
Size120 × 120 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4239 Prime 120mm PWM Case Fan”, https://vextor7.com/item/30458777 (accessed 2026-10-22).