Hardware Spec Index

Brontix FN-4931 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4931-PRIME · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index360 (Case Fans scale)
Category rank#42,667
Street price$9
Power3 W
Performance per dollar40.00
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4931 Prime
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4931 Prime 120mm PWM Case Fan”, https://vextor7.com/item/89937896 (accessed 2026-10-25).