Hardware Spec Index

Brontix FN-7331 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7331-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index525 (Case Fans scale)
Category rank#28,194
Street price$19
Power3 W
Performance per dollar27.63
Released2020

Specifications

BrandBrontix
ModelBrontix FN-7331 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7331 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/20177102 (accessed 2026-10-20).