Hardware Spec Index

Brontix FN-6921 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6921-PLUS · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index541 (Case Fans scale)
Category rank#1,203
Street price$19
Power3 W
Performance per dollar28.47
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6921 Plus
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6921 Plus 140mm PWM Case Fan”, https://vextor7.com/item/1921679 (accessed 2026-10-23).