Hardware Spec Index

Brontix FN-1684 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1684-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index352 (Case Fans scale)
Category rank#17,434
Street price$19
Power4 W
Performance per dollar18.53
Released2026

Specifications

BrandBrontix
ModelBrontix FN-1684 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1684 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/6915486 (accessed 2026-10-21).