Hardware Spec Index

Brontix FN-7921 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7921-SE · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index320 (Case Fans scale)
Category rank#22,400
Street price$9
Power3 W
Performance per dollar35.56
Released2021

Specifications

BrandBrontix
ModelBrontix FN-7921 SE
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7921 SE 140mm PWM Case Fan”, https://vextor7.com/item/1124336 (accessed 2026-10-24).