Hardware Spec Index

Brontix FN-5821 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5821-PLUS · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index386 (Case Fans scale)
Category rank#44,385
Street price$19
Power3 W
Performance per dollar20.32
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5821 Plus
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5821 Plus 140mm PWM Case Fan”, https://vextor7.com/item/2512469 (accessed 2026-10-23).