Hardware Spec Index

Brontix FN-7821 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7821-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index519 (Case Fans scale)
Category rank#31,796
Street price$19
Power3 W
Performance per dollar27.32
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7821 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7821 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/5779860 (accessed 2026-10-19).