Hardware Spec Index

Brontix FN-2976 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN2976-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index275 (Case Fans scale)
Category rank#3,813
Street price$9
Power4 W
Performance per dollar30.56
Released2022

Specifications

BrandBrontix
ModelBrontix FN-2976 Ultra
Size120 × 120 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2976 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/46069804 (accessed 2026-10-25).