Hardware Spec Index

Brontix FN-3771 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3771-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index217 (Case Fans scale)
Category rank#2,553
Street price$9
Power3 W
Performance per dollar24.11
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3771 Ultra
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3771 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/190441 (accessed 2026-10-19).