Hardware Spec Index

Brontix FN-6821 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6821-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index197 (Case Fans scale)
Category rank#30,938
Street price$9
Power3 W
Performance per dollar21.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-6821 Ultra
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6821 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/809525 (accessed 2026-10-22).