Hardware Spec Index

Brontix FN-4665 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4665-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index706 (Case Fans scale)
Category rank#28,319
Street price$19
Power3 W
Performance per dollar37.16
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4665 Prime
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4665 Prime 120mm PWM Case Fan”, https://vextor7.com/item/19831967 (accessed 2026-10-22).