Hardware Spec Index

Brontix FN-6891 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6891-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index361 (Case Fans scale)
Category rank#8,695
Street price$9
Power3 W
Performance per dollar40.11
Released2025

Specifications

BrandBrontix
ModelBrontix FN-6891 Ultra
Size120 × 120 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6891 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91583263 (accessed 2026-10-23).