Hardware Spec Index

Brontix FN-2503 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN2503-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index242 (Case Fans scale)
Category rank#26,464
Street price$9
Power4 W
Performance per dollar26.89
Released2021

Specifications

BrandBrontix
ModelBrontix FN-2503 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2503 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2912180 (accessed 2026-10-20).