Hardware Spec Index

Brontix FN-2921 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN2921-PRIME · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index308 (Case Fans scale)
Category rank#29,644
Street price$9
Power3 W
Performance per dollar34.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-2921 Prime
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2921 Prime 120mm PWM Case Fan”, https://vextor7.com/item/7523213 (accessed 2026-10-21).