Hardware Spec Index

Brontix FN-3821 Pro 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3821-PRO · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index942 (Case Fans scale)
Category rank#27,880
Street price$29
Power3 W
Performance per dollar32.48
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3821 Pro
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3821 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/87630820 (accessed 2026-10-25).