Hardware Spec Index

Brontix FN-4940 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4940-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index598 (Case Fans scale)
Category rank#1,109
Street price$19
Power3 W
Performance per dollar31.47
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4940 Ultra
Size120 × 120 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4940 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21911658 (accessed 2026-10-26).