Hardware Spec Index

Brontix FN-3845 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3845-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index754 (Case Fans scale)
Category rank#29,992
Street price$29
Power4 W
Performance per dollar26.00
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3845 Prime
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3845 Prime 140mm PWM Case Fan”, https://vextor7.com/item/3142247 (accessed 2026-10-20).