Hardware Spec Index

Brontix FN-7821 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7821-PRIME · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index721 (Case Fans scale)
Category rank#45,341
Street price$19
Power3 W
Performance per dollar37.95
Released2023

Specifications

BrandBrontix
ModelBrontix FN-7821 Prime
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7821 Prime 120mm PWM Case Fan”, https://vextor7.com/item/21527226 (accessed 2026-10-24).