Hardware Spec Index

Brontix FN-5540 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5540-PRIME · Released 2020 · Updated 2026-10-27

Key facts

Benchmark index280 (Case Fans scale)
Category rank#35,614
Street price$9
Power4 W
Performance per dollar31.11
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5540 Prime
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5540 Prime 120mm PWM Case Fan”, https://vextor7.com/item/98095429 (accessed 2026-10-27).